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Sunset Boulevard Bridge

Latah Bridge

Sunset Boulevard Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: August 19, 2014

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Key Facts

Facility Carried / Feature Intersected
Sunset Boulevard (BL-90) Over Latah Creek (Hangman Creek)
Spokane: Spokane County, Washington: United States
Structure Type
Concrete Open Spandrel Deck Arch, Fixed and Approach Spans: Concrete Deck Girder, Fixed
Construction Date and Builder / Engineer
1913 By Builder/Contractor: J. E. Cunningham and Engineer/Design: Waddell and Harrington of Kansas City, Missouri, and Morton McCartney

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
150 Feet (45.7 Meters)
Structure Length
1,070 Feet (326.1 Meters)
Roadway Width
45 Feet (13.72 Meters)
7 Main Span(s) and 2 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

View Historic Structure Reports For This Bridge

View Historical Articles About This Bridge

This is one of the two largest historic concrete arch bridges in Spokane, the other one being the Monroe Street Bridge. This bridge on Sunset Boulevard is far less altered, and because it has far greater integrity of original materials it should be considered the most historically significant of the two. Its impressive size, and 1913 construction date make it an early surviving example of a large-scale concrete arch bridge. The shape of configuration of the arches harken back to the earlier years of arch construction, while its use of traditional reinforcing rods was in contrast representative of the future of concrete construction. An unusual feature of the bridge is its slightly curved design, which is visible in photos in the photo gallery, and also shown in the above drawing.

 In addition to the present-day photos in the photo gallery from HistoricBridges.org, a selection of historical construction photos were located and are shown and narrated below.

This photo show the construction of the piers for the bridge. The previous bridge is in the background.

These photos show the enormous size and unbelievable complexity of the falsework (also called "centering" in the arch bridge world) that was needed to facilitate the construction of this bridge. Also note the previous wooden trestle style bridge next to the bridge, whose equally massive, permanent structure somewhat resembles the temporary falsework for the arch bridge.

These photos show the concrete arch ribs having been poured, and some of the falsework already being dismantled.

This photo shows the bridge nearly completed. Evidence of work on the sidewalks is evident.

This photo shows the bridge nearly completed. It shows the previous bridge partially dismantled.

In this photo, the previous bridge is gone, and although not possible to tell for sure, it appears the bridge may in fact be fully complete in this photo.



Photo Galleries and Videos: Sunset Boulevard Bridge

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Bridge Photo-Documentation
Original / Full Size Photos
A collection of overview and detail photos. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer
View Photo Gallery
Bridge Photo-Documentation
Mobile Optimized Photos
A collection of overview and detail photos. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer


Maps and Links: Sunset Boulevard Bridge

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