Historic Bridges
of the United States
Irwin Creek Bridge
Marin County
,
California
Overview
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Terraserver USA
Facts
Overview
Concrete arch bridge over Irwin Creek on US 101 in San Rafael
Location
San Rafael
,
Marin County
,
California
Status
Open to traffic
History
Built 1895; rehabilitated 1987
Design
Closed-spandrel arch
Dimensions
Length of largest span: 15.1 ft.
Total length: 22.0 ft.
Deck width: 109.9 ft.
Approximate latitude, longitude
+37.97500, -122.52000
(decimal degrees)
37°58'30" N, 122°31'12" W
(degrees°minutes'seconds")
Inventory numbers
CA 27-97
(California bridge number)
BH 11083
(Bridgehunter.com ID)
Inspection
(as of 09/2005)
Sufficiency rating: 72.0
(out of 100)
Average daily traffic
(as of 2000)
164,000
Categories
19th Century
(1,725)
Arch
(7,553)
Built 1895
(73)
Built during 1890s
(651)
California
(1,021)
Closed-spandrel arch
(1,112)
Deck arch
(6,647)
Marin County, California
(17)
Open
(21,592)
Owned by state
(6,524)
San Rafael, California
(7)
Span length under 25 feet
(2,545)
Total length under 25 feet
(959)
US 101
(61)
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