Project Summary: Highway Investigation - 194 Docket Items - HWY07MH024

Description: Minneapolis Highway Bridge Collapse

Mode: Highway

NTSB Number: HWY07MH024

Date of Accident: 08/01/2007

City: Minneapolis

State/Region: MN

Country: United States

Project Type: Investigation

Docket Information

Creation Date: 08/17/2007

Last Modified: 02/26/2019 1:42 PM

Public Release Date & Time: 11/13/2008 7:57 AM


Docket Table of Contents

Docket Items: 194
#
Title
Pgs
Photo
Type
File
1 Log of availble digital files via DVD 3 0 Adobe PDF file View
2 Finite Element Analysis simulation of failure intitation mechanism from Board presentation 0 0 avi View
3 Video File - Initial Failure Animation 0 0 wmv View
4 Video File - Structure and Components animation 0 0 wmv View
5 Video File Animation descriptions and disclaimer 2 0 Adobe PDF file View
6 Witness and Victim Interviews 413 0 Adobe PDF file View
7 Photo 1. Overhead view of bridge in water looking north 1 0 Adobe PDF file View
8 State-by-state bridge counts 6 0 Adobe PDF file View
9 FHWA Interim Report - Adequacy of the U10 & L11 Gusset Plate Designs for the Minnesota Bridge No. 9340 (I-35W over the Mississippi River) 20 0 Adobe PDF file View
10 FHWA Final Report on Gusset Plate Design Adequacy 20 0 Adobe PDF file View
11 Bridge Diagram showing locatons of gussets U10 & L11 1 0 Adobe PDF file View
12 Photos of I-35W bridge 26 43 Adobe PDF file View
13 Truss Diagram Nomenclature and Salvage Log 37 0 Adobe PDF file View
14 Materials Lab - Factual Report 07-119 Gusset Plate 4 0 Adobe PDF file View
15 Materials Lab - Factual Report 08-004 L10-L11W 12 0 Adobe PDF file View
16 Materials laboratory factual report 08-006 Hardness measurements 3 0 Adobe PDF file View
17 Materials Laboratory Factual Report 08-096, Laser scans and corrosion measurements of L11 gusset plates 63 0 Adobe PDF file View
18 Structural Investigation Group Chairman Factual Report 08-015 (Materials Lab) 135 0 Adobe PDF file View
19 Modeling Group Contractor Interim Report 40 0 Adobe PDF file View
20 Modeling Group Chairman Final Report 08-119 271 0 Adobe PDF file View
21 Modeling Group Study 07-115, Loads on the bridge at the time of the accident 26 0 Adobe PDF file View
22 FHWA I35W TFHRC Model Report Final 138 0 Adobe PDF file View
23 Modeling Group Study Report 07-115B, Erratum - correction to Table 4 2 0 Adobe PDF file View
24 BSDI I-35W Review of Original Design 69 0 Adobe PDF file View
25 FHWA Materials Property Testing Report 61 0 Adobe PDF file View
26 Materials Laboratory Study Report 08-086, Truss Loads during Construction and Change in Angle 23 0 Adobe PDF file View
27 Materials Laboratory Study Report 08-103, Chord splice calculations for preliminary and final designs of I-35W bridge 52 0 Adobe PDF file View
28 BridgeU10W_bow0_Riks_U3_Animation 0 0 GIF image View
29 BridgeU10W_meshP2_Riks_MisesStress_Animation 0 0 GIF image View
30 BridgeU10W_meshP5_Riks_MisesStress_Animation 0 0 GIF image View
31 Materials Laboratory Study Report 08-117, Review of Sverdrup manual and Orinoco bridge computations 16 0 Adobe PDF file View
32 Materials Laboratory Study Report 08-118, Calculation of differential temperature for I-35W bridge 37 0 Adobe PDF file View
33 Materials Lab - Factual Report 08-073 Erection Sequence 14 0 Adobe PDF file View
34 Materials Laboratory Study 08-062, Comparison of Gusset Plate Design Characteristics 16 0 Adobe PDF file View
35 Materials Lab - Factual Report 08-031 nodes L11 9 0 Adobe PDF file View
36 Materials Lab - Factual Report 08-053 Gusset plate hardness 3 0 Adobe PDF file View
37 Digital Video Recording Images 1 0 Adobe PDF file View
38 Specialist's Study Report Gusset Plate Photograph Measurements 38 19 Adobe PDF file View
39 Pre-Collapse Images - Nodes U10 and L11 21 40 Adobe PDF file View
40 Video Study 54 53 Adobe PDF file View
41 Materials Lab - Collapse Sequencing Study Photos 08-032A 29 0 Adobe PDF file View
42 Materials Lab - Collapse Sequencing Study 08-032 28 0 Adobe PDF file View
43 Materials Lab - Study 08-074 Design 13 0 Adobe PDF file View
44 Materials Lab - Factual Report 08-074 Reference A 21 0 Adobe PDF file View
45 Materials Lab - Factual Report 08-074 Reference B 32 0 Adobe PDF file View
46 Materials Lab - Factual Report 08-074 Reference C 26 0 Adobe PDF file View
47 Materials Lab - Factual Report 08-074 Reference D 4 0 Adobe PDF file View
48 Materials Lab - Factual Report 08-074 Reference E 3 0 Adobe PDF file View
49 Materials Lab - Factual Report 08-074 Reference F 3 0 Adobe PDF file View
50 Materials Lab - Factual Report 08-074 Reference G 10 0 Adobe PDF file View
51 Materials Lab - Factual Report 08-074 Reference H 3 0 Adobe PDF file View
52 Materials Lab - Factual Report 08-074 Reference I 1 0 Adobe PDF file View
53 Materials Lab - Factual Report 08-074 Reference J 2 0 Adobe PDF file View
54 Materials Lab - Factual Report 08-074 Reference K 2 0 Adobe PDF file View
55 Materials Lab - Factual Report 08-074 Reference L 5 0 Adobe PDF file View
56 Materials Lab - Factual Report 08-074 Reference M 2 0 Adobe PDF file View
57 Materials Lab - Factual Report 08-074 Referencec N and O 1 0 Adobe PDF file View
58 Materials Lab - Factual Report 08-074 Reference P 22 0 Adobe PDF file View
59 Design drawings and shop drawings used to create U10 and L11 finite element models 30 0 Adobe PDF file View
60 Witness Group Chairman Factual Report 7 0 Adobe PDF file View
61 Witness Group Chairman Factual Report - Attachment A: Spreadsheet of Contacts 11 0 Adobe PDF file View
62 Witness Group Chairman Factual Report - Attachment B: Summaries of Witness Interviews 151 0 Adobe PDF file View
63 Witness Group Chairman Factual Report - Attachment C: Summaries of Other Information Interviews 46 0 Adobe PDF file View
64 Survival Factors - Group Chairman Factual Report 12 0 Adobe PDF file View
65 Survival Factors - Attachment 1, Vehicle Information 5 0 Adobe PDF file View
66 Survival Factors - Attachment 2, Interviews 28 0 Adobe PDF file View
67 Survival Factors Attachment-A, HCSO Dispatch Logs 14 0 Adobe PDF file View
68 Survival Factors Attachment-B, HCSO Dive Operations Report 6 0 Adobe PDF file View
69 Survival Factors Attachment-C, Minneapolis FD Dispatch Logs 33 0 Adobe PDF file View
70 Survival Factors Attachment-D, Minneapolis FD Field Report 28 0 Adobe PDF file View
71 Survival Factors Attachment-E, Minneapolis PD Dispatch Logs 60 0 Adobe PDF file View
72 Survival Factors Attachment-F, USACE Mississippi River Navigation Bulletins 4 0 Adobe PDF file View
73 Survival Factors Attachment-G, Hennepin County EOC Debriefing 6 0 Adobe PDF file View
74 Factual Report of Sverdrup & Parcell Engineering Employees Interviewed 12 0 Adobe PDF file View
75 Highway Construction Factors Factual Report 45 0 Adobe PDF file View
76 Highway Construction Factors Group Attachment 1 - Interview Transcript of MnDOT Bridge Inspector Harvey Unruh 18 0 Adobe PDF file View
77 Highway Construction Factors Group Attachment 2 - Weight Tickets for Material Loads on the Bridge at the Time of the Collapse 9 0 Adobe PDF file View
78 Highway Construction Factors Group Attachment 3 - Diagrams for Overlays 9 0 Adobe PDF file View
79 Highway Construction Factors Group Attachment 4 - Excerpts from Construction Project Design Plans 17 0 Adobe PDF file View
80 Highway Construction Factors Group Attachment 5 - Excerpts from the Construction Contract (S-29) 2 0 Adobe PDF file View
81 Highway Construction Factors Group Attachment 6 - Pre-Construction Conference Minutes 7 0 Adobe PDF file View
82 Highway Construction Factors Group Attachment 7A - MnDOT Weekly Construction Diaries 31 0 Adobe PDF file View
83 Highway Construction Factors Group Attachment 7B - MnDOT Weekly Construction Diaries 29 0 Adobe PDF file View
84 Highway Construction Factors Group Attachment 7C - MnDOT Weekly Construction Diaries 38 0 Adobe PDF file View
85 Highway Construction Factors Group Attacment 7D - MnDOT Weekly Construction Diaries 25 0 Adobe PDF file View
86 Highway Construction Factors Group Attachment 7E - MnDOT Weekly Construction Diaries 24 0 Adobe PDF file View
87 Highway Construction Factors Group Attachment 8 - Overweight Permits Issued 112 0 Adobe PDF file View
88 Highway Construction Factor Group Attachment 8B - Overweight Permits Issued 33 0 Adobe PDF file View
89 Highway Construction Factors Group Attachment 8C - Overweight Permits Issued 17 0 Adobe PDF file View
90 Highway Construction Factors Group Attachment 8D - Overweight Permits Issued 22 0 Adobe PDF file View
91 Highway Construction Factors Group Attachment 8E - Overweight Permits Issued 18 0 Adobe PDF file View
92 Highway Construction Factors Group Attachment 9 - Critical Path Method (CPM) Schedule 10 0 Adobe PDF file View
93 Highway Construction Factors Group Attachment 10 - Minutes of Weekly Meetings by MnDOT Project Engineer 11 0 Adobe PDF file View
94 Highway Construction Factors Group Attachment 11, Ramsey County Sheriff's Office Interview Summaries of PCI Work Crew 46 0 Adobe PDF file View
95 Highway Construction Factors Group Attacment 12 - Policies Restriction Construction Loads on Bridge Decks1. MNDOT Construction Specification 1513 (old Version in effect at time of collapse2. FHWA Technical Advisory 5140.283. AASHTO Policy 8.15.3 6 0 Adobe PDF file View
96 Highway Construction Factors Group Attachment 13 - List of Fire Department Apparatus Using Bridge 9340 3 0 Adobe PDF file View
97 Highway Construction Factors Group Attachment 14 - 1977 Overlay Inspection Report From Bridge 9340 13 0 Adobe PDF file View
98 Highway Construction Factors Group Attachment 15 - AASHTO POLL on Brige Design Peer Reviews and Construction Loading Policy Restrictions 2 0 Adobe PDF file View
99 Highway Construction Factors Group Attachment 16 - MNDOT Revisions to Construction Specification 1513, "Restrictions on Movement and Storage of Heavy Loads and Equipment"Dated 4/08/2008 and 9/18/2008 3 0 Adobe PDF file View
100 Highway Construction Factors Group Attachment 17 - State Bridge Loading Restrictions During Construction for Alabama, California, Massachusetts, and Minnesota 43 0 Adobe PDF file View
101 Highway Construction Factors GroupAttachment 18 Part ANew York Specifications for Restricting Bridge Loading During Construction 61 0 Adobe PDF file View
102 Highway Construction Factors Group attachment 18 Part BNew York Specifications Continued 70 0 Adobe PDF file View
103 Highway Construction Factors Group Attachment 19 State Policies Restriction Construction loading on Bridges in Ohio, Oregon, Texas, Washington, West Virginia, and Pennsylvania 82 0 Adobe PDF file View
104 Photograph of Aggregates on Bridge Deck 1 0 Adobe PDF file View
105 Bridge Design Group - Bridge Design Group Chairman Factual Report 89 0 Adobe PDF file View
106 Bridge Design Group - Addendum to Bridge Design Group Chairman Factual Report 72 0 Adobe PDF file View
107 Bridge Design Group - Attachment 1, National Bridge Inventory (NBI) forms for the I-35W Bridge (Bridge #9340) from 1983 through 2007 76 0 Adobe PDF file View
108 Bridge Design Group - Attachment 2, Letter to the National Transportation Safety Board from the Minnesota Department of Transportation dated April 22, 2008 3 0 Adobe PDF file View
109 Bridge Design Group - Attachment 3, Minnesota Department of Transportation Bridge Inspection Manual dated May 2007 78 0 Adobe PDF file View
110 Bridge Design Group - Attachment 4, Mn/DOT Bridge Inspection Reports dated August 5, 1990 and October 18, 1993 10 0 Adobe PDF file View
111 Bridge Design Group - Attachment 5, Mn/DOT Fracture Critical Bridge Inspection In-Depth Report dated June 2006 51 0 Adobe PDF file View
112 Bridge Design Group - Attachment 6, Letter to the National Transportation Safety Board from the Minnesota Department of Transportation dated December 19, 2007 16 0 Adobe PDF file View
113 Bridge Design Group - Attachment 7, FHWA's Apportionment Process for Highway Bridge Program (HBP) Funds 9 0 Adobe PDF file View
114 Bridge Design Group - Attachment 8, Mn/DOT Fracture Critical Bridge Inspection Annual Report dated June 2004 47 0 Adobe PDF file View
115 Bridge Design Group - Attachment 9, Letter to the National Transportation Safety Board from the Minnesota Department of Transportation dated September 21, 2007 40 0 Adobe PDF file View
116 Bridge Design Group - Attachment 10, Mn/DOT Bridge Inspection Report dated June 15, 2006 5 0 Adobe PDF file View
117 Bridge Design Group - Attachment 11, Mn/DOT Guidelines for In-Depth Inspection of Failure Critical and Other Non-Redundant Bridges and for Underwater Inspections dated July 19, 2007 7 0 Adobe PDF file View
118 Bridge Design Group - Attachment 12, Mn/DOT Technical Memorandum regarding "Critical Deficiencies" found during bridge inspections dated July 20, 2005 6 0 Adobe PDF file View
119 Bridge Design Group - Attachment 13, URS Corporation Fatigue Evaluation and Redundancy Analysis Draft Report for Bridge #9340, Executive Summary, dated January 2007 5 0 Adobe PDF file View
120 Bridge Design Group – Attachment 14, URS Corporation Fatigue Evaluation Redundancy Analysis Draft Report for Bridge #9340 dated July 2006 300 0 Adobe PDF file View
121 Bridge Design Group - Attachment 15, URS Corporation Fatigue Evaluation Bridge 9340 35W over Mississippi River Second Inspection Report dated November 17, 2003 30 0 Adobe PDF file View
122 Bridge Design Group – Attachment 16, URS Corporation Fatigue Evaluation Bridge 9340 35W over Mississippi River Initial Inspection Report dated June 9, 2003 100 0 Adobe PDF file View
123 Bridge Design Group - Attachment 17, University of Minnesota Fatigue Evaluation of the Deck Truss of Bridge 9340 Final Report dated March 2001 90 0 Adobe PDF file View
124 Bridge Design Group - Attachment 18, Mn/DOT Memorandums documenting cracks in the north approach span girder near Pier 9 from October 1998 through November 2000 21 0 Adobe PDF file View
125 Bridge Design Group - Attachment 19, Ayres Associates Underwater Bridge Inspection Report for Bridge #9340 dated December 8, 2004 10 0 Adobe PDF file View
126 Bridge Design Group - Attachment 20, Email to the National Transportation Safety Board from the Minnesota Department of Transportation dated January 10, 2008 3 0 Adobe PDF file View
127 Bridge Design Group - Attachment 21, Mn/DOT LRFD Bridge Design Manual, Chapter 15 Bridge Rating, dated June 2007 Draft 15 0 Adobe PDF file View
128 Bridge Design Group - Attachment 22, Mn/DOT Bridge Rating and Load Posting Report dated December 14, 1995 7 0 Adobe PDF file View
129 Bridge Design Group - Attachment 23, Letter to the National Transportation Safety Board from the Minnesota Department of Transportation dated January 8, 2008 43 0 Adobe PDF file View
130 Bridge Design Group - Attachment 24, Mn/DOT BARS load rating computer printout dated December 11, 1995 63 0 Adobe PDF file View
131 Bridge Design Group - Attachment 25, Mn/DOT BARS load rating computer printout dated August 18, 1997 95 0 Adobe PDF file View
132 Bridge Design Group - Attachment 26, Email to the National Transportation Safety Board from the Minnesota Department of Transportation dated November 2, 2007 3 0 Adobe PDF file View
133 Bridge Design Group - Attachment 27, Mn/DOT Bridge Rating and Load Posting Report dated September 17, 1979 2 0 Adobe PDF file View
134 Bridge Design Group - Attachment 28, Email to the National Transportation Safety Board from the Minnesota Department of Transportation dated October 10, 2007 2 0 Adobe PDF file View
135 Bridge Design Group - Attachment 29, FHWA Turner-Fairbank Highway Research Center Report Assessment of the Load Rating Records for Minnesota Bridge No. 9340 (I-35W over the Mississippi River) dated June 30, 2008 10 0 Adobe PDF file View
136 Bridge Design Group - Attachment 30, Email to the Minnesota Department of Transportation from the National Transportation Safety Board dated October 15, 2007 2 0 Adobe PDF file View
137 Bridge Design Group - Attachment 31, Mn/DOT transmittal of report to NTSB entitled Load Rating of Bridge 9340 with Construction Loads 4 0 Adobe PDF file View
138 Bridge Design Group - Attachment 32, Copy of minutes of meetings, emails, and handwritten notes from July 24, 2006 through May 2007 as it relates to proposal for steel plating of all 52 fracture critical truss members 68 0 Adobe PDF file View
139 Bridge Design Group - Attachment 33, Field notes taken by Mn/DOT Inspection Team dated May 2007 16 0 Adobe PDF file View
140 Bridge Design Group - Attachment 34, Mn/DOT correspondence and photographs of washout hole between Pier 4 and 5 7 5 Adobe PDF file View
141 Bridge Design Group - Attachment 35, Mn/DOT concrete core testing of bridge deck dated August 23, 2007 3 0 Adobe PDF file View
142 Bridge Design Group - Attachment 36, Minnesota Classification Questionnaire dated February 24, 1960 6 0 Adobe PDF file View
143 Bridge Design Group - Attachment 37, Minnesota Highway Department Bridge Design Manual dated April 12, 1972 3 0 Adobe PDF file View
144 Bridge Design Group - Attachment 38, Consultant agreement between Mn/DOT and Sverdrup and Parcel and Associates, Inc. dated November 5, 1962 22 0 Adobe PDF file View
145 Bridge Design Group - Attachment 39, Mn/DOT consultant services work type definition dated March 26, 2003 8 0 Adobe PDF file View
146 Bridge Design Group - Attachment 40, Letter to the National Transportation Safety Board from the Minnesota Department of Transportation dated March 6, 2008 3 0 Adobe PDF file View
147 Bridge Design Group - Attachment 41, Letter to the National Transportation Safety Board from the Minnesota Department of Transportation dated March 24, 2008 3 0 Adobe PDF file View
148 Bridge Design Group - Attachment 42, Mn/DOT Load and Resistance Factor Design (LRFD) Bridge Design Manual 6 0 Adobe PDF file View
149 Bridge Design Group - Attachment 43, Email to the National Transportation Safety Board from the Federal Highway Administration - Minnesota Division Office dated March 7, 2008 3 0 Adobe PDF file View
150 Bridge Design Group - Attachment 44, FHWA Memorandum to Division Administrators dated February 22, 2007 5 0 Adobe PDF file View
151 Bridge Design Group - Attachment 45, FHWA Bridge Program Manual dated August 2004 19 0 Adobe PDF file View
152 Bridge Design Group - Attachment 46, Sverdrup & Parcel and Associates, Inc. document entitled Procedure for Checking Design Notes and Coordinating Same with Detail Checker dated September 1953 3 0 Adobe PDF file View
153 Bridge Design Group - Attachment 47, Sverdrup & Parcel and Associates, Inc. document entitled Quality Control Coordination and Checking Procedures dated April 1975 20 0 Adobe PDF file View
154 Bridge Design Group - Attachment 48, Answers to standard set of questions by the California DOT (Caltrans) 15 0 Adobe PDF file View
155 Bridge Design Group - Attachment 49, Answers to standard set of questions by the Florida DOT 4 0 Adobe PDF file View
156 Bridge Design Group - Attachment 50, Answers to standard set of questions by the Iowa DOT 22 0 Adobe PDF file View
157 Bridge Design Group - Attachment 51, Answers to standard set of questions by the Kansas DOT 22 0 Adobe PDF file View
158 Bridge Design Group - Attachment 52, Answers to standard set of questions by the Maryland State Highway Administration 4 0 Adobe PDF file View
159 Bridge Design Group - Attachment 53, Answers to standard set of questions by the Minnesota DOT 65 0 Adobe PDF file View
160 Bridge Design Group - Attachment 54, Answers to standard set of questions by the Nebraska Department of Roads 3 0 Adobe PDF file View
161 Bridge Design Group - Attachment 55, Answers to standard set of questions by the New York State DOT 33 0 Adobe PDF file View
162 Bridge Design Group - Attachment 56, Answers to standard set of questions by the Ohio DOT 3 0 Adobe PDF file View
163 Bridge Design Group - Attachment 57, Answers to standard set of questions by the Oregon DOT 3 0 Adobe PDF file View
164 Bridge Design Group - Attachment 58, Answers to standard set of questions by the Pennsylvania DOT 41 0 Adobe PDF file View
165 Bridge Design Group - Attachment 59, Answers to standard set of questions by the Tennessee DOT 3 0 Adobe PDF file View
166 Bridge Design Group - Attachment 60, Answers to standard set of questions by the Texas DOT 35 0 Adobe PDF file View
167 Bridge Design Group - Attachment 61, Answers to standard set of questions by the Virginia DOT 65 0 Adobe PDF file View
168 Bridge Design Group - Attachment 62, Answers to standard set of questions by the Washington State DOT 3 0 Adobe PDF file View
169 NTSB Interviews of MnDOT Inspectors 63 0 Adobe PDF file View
170 Factual Summary of State DOT Responses to Bridge Design Errors 9 0 Adobe PDF file View
171 Factual Summary of Findings from Other Bridges in the Minnesota DOT Inventory 6 0 Adobe PDF file View
172 Factual Report of Corroded Gusset Plates on Ohio Bridges 8 0 Adobe PDF file View
173 Federal Highway Administration Bridge Inspection Training Specific to Gusset Plates 10 0 Adobe PDF file View
174 Factual Summary of Employee Interviews 7 0 Adobe PDF file View
175 Factual Summary of Interviews with Former Sverdrup & Parcel Employees: T. Dillon and W. Gaddis 3 0 Adobe PDF file View
176 Gray, Plant, Mooty - Investigative Report to Joint Committee to Investigate the I-35W Bridge Collapse, Dated May 2008 126 0 Adobe PDF file View
177 Wiss, Janney, Elstner Associates, Inc. - I-35W Bridge over the Mississippi River: Collapse Investigation, Final Report, November 2008 176 0 Adobe PDF file View
178 Submission of Progressive Contractors, Inc. to the National Transportation Safety Board, October 2008 16 0 Adobe PDF file View
179 Mn/DOT response to PCI Submission, Dated October 20, 2008 1 0 Adobe PDF file View
180 Submission of Jacobs Engineering Group, Inc. to the National Transportation Safety Board, November 2008 7 0 Adobe PDF file View
181 Mn/DOT response to Jacobs Engineering Submission, Dated November 12, 2008 1 0 Adobe PDF file View
182 Sandia National Laboratories Peer Review of the National Transportation Safety Board Structural Analysis of the I-35W Bridge Collapse, October 2008 14 0 Adobe PDF file View
183 Presentation 01 - Photo of post-collapse dive operations (source FHWA) 1 0 Adobe PDF file View
184 Presentation 02 - Photo of debris removal (source FHWA) 1 0 Adobe PDF file View
185 Presentation 03 - photo of debris removal (source FHWA) 1 0 Adobe PDF file View
186 Presentation 04 - Photo of debris removal (source FHWA) 1 0 Adobe PDF file View
187 Presentation 05 - Photo of post-collapse vehicles (source MPD) 1 0 Adobe PDF file View
188 Presentation 06 - Photo of post-collapse vehicles (source MPD) 1 0 Adobe PDF file View
189 Presentation 07 - Photo of post-collapse vehicles (source MPD) 1 0 Adobe PDF file View
190 Presentation 08 - Photo of post-collapse rescue efforts (source MPD) 1 0 Adobe PDF file View
191 Presentation 09 - Photo of post-collapse rescue efforts (source MPD) 1 0 Adobe PDF file View
192 Presentation 10 - Photo of post-collapse rescue efforts (source MPD) 1 0 Adobe PDF file View
193 Presentation 11 - Photo of post-collapse rescue efforts (source MPD) 1 0 Adobe PDF file View
194 Center for Transportation Studies, University of Minnesota - Research Report, A Computational Study of the I-35W Bridge Collapse (CTS 09-21) 95 0 Adobe PDF file View