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Diamond Creek Bridge

Photo courtesy of OTAK Enginnering & Planning

Overview: Lost Warren deck truss bridge over Diamond Creek on Tiller Trail
Location: Douglas County, Oregon
Status: Replaced by a steel plate girder bridge in 2009
History: Built 1935, Replaced 2009
Builder: - H.R. Angwin (BPR Bridge Engineer)
Design: Diamond Creek Bridge a five span bridge consisting of a single steel Warren deck truss and four reinforced concrete girder spans. Though on a state highway when constructed, the bridge was designed by the Bureau of Public Roads since the bridge lies within the Umpqua National Forest.
Dimensions: Length of largest span: 100.0 ft.
Total length: 250.0 ft.
Deck width: 26.0 ft.
Approximate latitude, longitude: +42.80877, -122.87151 (decimal degrees)
42°48'32" N, 122°52'17" W (degrees°minutes'seconds")
Approximate UTM coordinates: 10/510505/4739587 (zone/easting/northing)
USGS topographic map: Ragsdale Butte
Inventory numbers: ORNBI 19C481 1 3881 (Oregon bridge number on the National Bridge Inventory)
BH 29946 (Bridgehunter.com ID)
Inspection (as of 08/2007): Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Good (7 out of 9)
Sufficiency rating: 51.4 (out of 100)
Average daily traffic (as of 2006): 424