Photos 

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Thurman Street Bridge

Photo taken by Michael Goff on September 29, 2008

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Thurman Street Bridge

Photo taken by Michael Goff on September 29, 2008

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Thurman Street Bridge - End Deck View

Photo taken by Michael Goff on September 29, 2008

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Thurman Street Bridge

Truss Pinned Connection

Photo taken by Michael Goff on September 29, 2008

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Facts 

Overview
Deck truss bridge over Balch Gulch on NW Thurman Street in Portland
Location
Portland, Multnomah County, Oregon
Status
Open to traffic
History
Built 1905
Builder
- J.C.B. Lockwood (Design Engineer)
Design
The 160 foot Balch Gulch Bridge is one of two remaining pin-connected deck truss in Oregon. The hanging Pratt truss is the oldest highway deck truss in the state and is a rare design in Oregon.
(Historical Highway Bridges of Oregon - 1989)
Dimensions
Length of largest span: 160.0 ft.
Total length: 400.0 ft.
Also called
Balch Gulch Bridge
Inventory number
BH 29889 (Bridgehunter.com ID)

Categories 

Built 1905 (334)
Built during 1900s (2,520)
Deck truss (554)
J.C.B. Lockwood (1)
Multnomah County, Oregon (48)
Open (22,306)
Oregon (430)
Owned by city (2,009)
Portland, Oregon (23)
Span length 125-175 feet (2,046)
Total length 250-500 feet (2,194)
Truss (16,277)

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