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Robertson Bridge

February 28, 2008

Photo taken by Michael Goff in February 2008

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Robertson Bridge - End View

Photo taken by Michael Goff in February 2008

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Robertson Bridge

Historic American Engineering Record - HAER OR-109 - OR0479

Photo taken by James Norman

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Robertson Bridge

Historic American Engineering Record - HAER OR-109 -OR0479

Photo taken by James Norman

Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Abandoned through truss bridge over Rogue River on Lower River Road
Location
Josephine County, Oregon
Status
Abandoned
History
Built 1929, Abandoned in 2001
Design
The Robertson Bridge, named for early Oregon pioneers who settled near the area in the 1870's, is a 583-foot three span steel through truss structure with on 90-foot Pratt truss, and two 180-foot Parker trusses. The bridge use to feature seven timber approach spans that were removed. The three truss spans are all pin-connected. The bridge was moved to its present location in 1929 from a location on the Pacific Highway over the Rogue River in Grants Pass, where it was replaced by the Caveman Bridge in 1931. The original nameplate provided a original construction date of circa 1909.
(Historical Highway Bridge of Oregon - 1989)
Dimensions
Length of largest span: 180.0 ft.
Total length: 583.0 ft.
Deck width: 20.0 ft.
Approximate latitude, longitude
+42.49667, -123.48833   (decimal degrees)
42°29'48" N, 123°29'18" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/459873/4705038 (zone/easting/northing)
USGS topographic map
Wilderville
Inventory number
BH 37079 (Bridgehunter.com ID)

Categories 

Abandoned (180)
Built 1929 (481)
Built during 1920s (4,803)
Josephine County, Oregon (8)
Oregon (430)
Owned by state (6,772)
Pratt through truss (979)
Pratt truss (1,669)
Span length 175-250 feet (1,039)
Through truss (5,560)
Total length 500-1000 feet (1,056)
Truss (16,277)

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