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MO-OO Bridge

Old US-40 Bridge

MO-OO Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: July 3, 2009

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Key Facts

Facility Carried / Feature Intersected
MO-OO (Old US-40) Over Chouteau Creek
Location
Rural: Cooper County, Missouri: United States
Construction Date and Builder / Engineer
1924 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
60 Feet (18.29 Meters)
Structure Length
60 Feet (18.29 Meters)
Roadway Width
20 Feet (6.1 Meters)
Spans
1 Main Span(s)
NBI Number
4609

Historic Significance Rating (HSR)

Bridge Documentation

This bridge no longer exists!

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

This historic bridge was damaged by a truck in April 2012, then demolished and replaced by MoDOT around September 2012!

This bridge is a traditionally composed pony truss that retains good historic integrity. It is on old US-40 alignment but today instead carries a secondary state-owned route. The bridge has an unusual feature which is a single riveted built-up box beam that runs parallel right next to but slightly higher than the bottom chord. This beam is just outside the truss line, and it bends at the ends to fit and attach  against the angle of the abutment wingwalls. It is attached to the truss itself by means of small rolled i-beams. The detail can be seen in the photo on this page. It is unclear what purpose this beam serves, whether it is meant to carry cables or if it might be meant as a shield against flood damage, or some other purpose.

This bridge was destroyed by a truck pulling a bulldozer in April 2012. It was demolished and replaced as a result sometime around September 2012. Damage of this type to historic bridges can be prevented through money-saving rehabilitation programs. As part of rehabilitation, crash-resistant guiderail can be installed on bridges like this one, thereby \protecting the trusses from vehicular impact . Typically, this guiderail can be installed, while leaving the original railing in place behind, so as not to alter the bridge and disturb its historic integrity. MoDOT failed to protect this bridge through such a rehabilitation project.

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Photo Galleries and Videos: MO-OO Bridge

 
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