Historic Bridges of the U.S. | North Hamma Hamma River Bridge

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NORTH BRIDGE IN PERSPECTIVE LOOKING WEST BY 270 DEGREES

HAER WASH,23-ELD.V,1-2

Photo taken by Historic American Engineering Record

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NORTH HAMMA HAMMA BRIDGE LOOKING SOUTH

HAER WASH,23-ELD.V,1-1

Photo taken by Historic American Engineering Record

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NORTH BRIDGE, CONCRETE RAILING DETAILS LOOKING WEST

HAER WASH,23-ELD.V,1-3

Photo taken by Historic American Engineering Record

Vicinity map

Map links:

Overview: Rainbow arch bridge over Hamma Hamma River on US 101
Location: Mason County, Washington
Status: Open to traffic
History: Built 1924
Builder: - Colonial Building Co.
Design: Concrete through arch
Dimensions: Length of largest span: 149.9 ft.
Total length: 153.9 ft.
Deck width: 20.0 ft.
Vertical clearance above deck: 16.2 ft.
Approximate latitude, longitude: +47.54833, -123.04333 (decimal degrees)
47°32'54" N, 123°02'36" W (degrees°minutes'seconds")
Approximate UTM coordinates: 10/496739/5266102 (zone/easting/northing)
USGS topographic map: Eldon
Inventory number: BH 34407 (Bridgehunter.com ID)
Inspection (as of 07/2006): Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 42.0 (out of 100)
Average daily traffic (as of 2006): 2,261