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1946 Santiam River Bridge

Oregon State Archives, Oregon Department of Transportation, OHD3108

Photo From: Oregon State Archives

Overview: Lost pair of steel arch bridges over Santiam River on Interstate 5
Location: Marion County, Oregon, and Linn County, Oregon
Status: Replaced by new bridge
History: SB built 1946, NB built 1958, NB replaced 1991, SB replaced 1995
Builders: - Glenn S. Paxson (1946 - Bridge Engineer)
- P. Mervyn Stephenson (1958 - Bridge Engineer)
Design: The original of these two twin three-span tied arch bridges was build on the Pacific Highway (U.S. 99) in 1946, while the twin was built in 1958 during the constriction of Interstate 5. Both structures were three-span tied arch structures flanked by six reinforced concrete deck girder approach spans. The 1946 bridge served northbound traffic while the 1958 span served southbound.
(Historical Highway Bridge of Oregon - 1989)
Dimensions: Length of largest span: 240.0 ft.
Total length: 910.1 ft.
Deck width: 30.0 ft.
Vertical clearance above deck: 19.4 ft.
Approximate latitude, longitude: +44.73722, -123.05250 (decimal degrees)
44°44'14" N, 123°03'09" W (degrees°minutes'seconds")
Approximate UTM coordinates: 10/495843/4953761 (zone/easting/northing)
USGS topographic map: Albany
Inventory number: BH 38267 (Bridgehunter.com ID)