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Monroe Street Bridge

Monroe Street Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: August 19, 2014

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Key Facts

Facility Carried / Feature Intersected
Monroe Street Over Spokane River
Spokane: Spokane County, Washington: United States
Structure Type
Concrete Open Spandrel Deck Arch, Fixed and Approach Spans: Concrete Closed Spandrel Deck Arch, Fixed
Construction Date and Builder / Engineer
1911 By Builder/Contractor: Unknown and Engineer/Design: Waddell and Harrington, and John C. Ralston and Morton McCartney

Technical Facts

Rehabilitation Date
Main Span Length
281 Feet (85.6 Meters)
Structure Length
893 Feet (272.2 Meters)
Roadway Width
50 Feet (15.24 Meters)
3 Main Span(s) and 14 Approach Span(s)
NBI Number

Historic Significance Rating (HSR)
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Bridge Documentation

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

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This bridge is along with the Sunset Boulevard Bridge the two largest and most impressive historic concrete arch bridges in Spokane. This bridge at Monroe Street however has, unlike Sunset Boulevard (as of 2014), been heavily altered and suffers from the removal and replacement of large volumes of original bridge material with new material. The only major portions of the bridge that are original are the arch ribs and piers. This is a contrast compared to the nearly unaltered Sunset Boulevard Bridge. That said, the portions of the Monroe Street Bridge that were replaced seem to have been replaced in a manner that attempts to respect the original design and appearance. Most notably, the attractive and unique pavilions over the sidewalk at the pier points of the center span have been carefully replicated including the unique Bison sculptures that give this bridge its one-of-a-kind appearance. Historically, this bridge was also significant for very briefly holding the record for largest concrete arch span in the United States.

Noted architects Cutter and Malmgren designed the aesthetic elements of the bridge. John C. Ralston and Morton McCartney were the main engineers for the bridge, but noted firm Waddell and Harrington also provided design consultation.


Photo Galleries and Videos: Monroe Street Bridge

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