Historic Bridges
of the United States
Sir Francis Drake Bridge
Marin County
,
California
Overview
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Terraserver USA
Facts
Overview
Concrete arch bridge over Devils Gulch on Sir Francis Drake Road
Location
Marin County
,
California
Status
Open to traffic
History
Built 1920
Design
Arch
Dimensions
Length of largest span: 22.0 ft.
Total length: 46.9 ft.
Deck width: 41.3 ft.
Approximate latitude, longitude
+38.02889, -122.73694
(decimal degrees)
38°01'44" N, 122°44'13" W
(degrees°minutes'seconds")
Approximate UTM coordinates
10/523086/4209052
(zone/easting/northing)
USGS topographic map
San Geronimo
Inventory numbers
CA 27C-41
(California bridge number)
BH 11088
(Bridgehunter.com ID)
Inspection
(as of 08/2007)
Superstructure condition rating:
Good
(7 out of 9)
Substructure condition rating:
Satisfactory
(6 out of 9)
Sufficiency rating: 71.0
(out of 100)
Average daily traffic
(as of 1975)
3,000
Categories
Arch
(7,655)
Built 1920
(524)
Built during 1920s
(4,289)
California
(1,066)
Deck arch
(6,737)
Marin County, California
(16)
Open
(21,917)
Owned by county
(14,313)
Span length under 25 feet
(2,628)
Total length 25-50 feet
(5,335)
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