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The south end of the I-35W Mississippi River Bridge, taken from the east side of the bridge
media credits (ID:91035)
I-35W Bridge Collapse Structure and Components and Initial Failure : I-35W Bridge Collapse Minneapolis, Minnesota August 1, 2007 HWY07MH024 Structure and Components Animation Description/Disclaimer This animation uses a three dimensional engineering model to demonstrate the various structural components of the deck truss portion of the bridge. This animation contains audio. Initial Failure Animation Description/Disclaimer This animation uses a three dimensional engineering model to demonstrate the events causing the failure at node U10. The animation shows how the compression diagonal shifts, how the U10 node is pulled down through the diagonal, and how deformations developed in other structural members of the main truss. No attempt was made to precisely quantify the speed of this initial phase of the collapse process. This animation is shown twice. This animation does not contain audio.
media credits (ID:433705)
The steel from the collapsed bridge is laid out on the bank of the Mississippi River
media credits (ID:102820)
The steel from the collapsed bridge is laid out on the bank of the Mississippi River
media credits (ID:102821)
August 1, 2007 photo of 35W bridge collapse
media credits (ID:91037)
Collapsed I-35W bridge in Mississippi River, August 1, 2007. Two rescue boats are visible through dam arch, with concrete carts near cars on bridge deck. View is from Stone Arch Bridge across lower St. Anthony Falls dam, with 10th Street bridge in background
media credits (ID:91038)
I-35W Mississippi River Bridge viewed from the north, along the west bank of the Mississippi River
media credits (ID:91034)
The south end of the I-35W Mississippi River Bridge, taken from the east side of the bridge, looking toward downtown Minneapolis, Minnesota
media credits (ID:91036)

General Information

Official designation: Bridge 9340
Completion: November 1967
Status: collapsed (1 August 2007)

Project Type

Structure: Cantilever truss bridge
Function / usage: Motorway bridge / freeway bridge
Material: Steel bridge

Location

Location: , , ,
Address: Interstate 35W
Crossed:
  • Mississippi River
Replaced by: I-35W Saint Anthony Falls Bridge (2008)
Coordinates: 44° 58' 45" N    93° 14' 43" W
Show coordinates on a map

Technical Information

Dimensions

main span 140 m
total length 581 m

Materials

truss steel

Chronology

1 August 2007, 18:05

In a catastrophic and complete collapse of the bridge during rush hour, thirteen people are killed and 150 are injured

Participants

Owner

Relevant Web Sites

Relevant Publications

  • About this
    data sheet
  • Structure-ID
    20029659
  • Published on:
    02/08/2007
  • Last updated on:
    27/01/2022
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