Historic Bridges
of the United States
Caldecott Tunnel
Alameda County
,
California
and
Contra Costa County
,
California
Overview
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TopoZone
Terraserver USA
Facts
Overview
Set of three parallel tunnels on CA 24 in Oakland
Status
Open to traffic
History
First two bores built 1937, third built 1965
Design
Tunnel
Dimensions
Total length: 3,610.1 ft.
Approximate latitude, longitude
+37.85833, -122.21167
(decimal degrees)
37°51'30" N, 122°12'42" W
(degrees°minutes'seconds")
Inventory numbers
CA 28-15
(California bridge number)
BH 10784
(Bridgehunter.com ID)
Inspection
Average daily traffic
(as of 1997)
152,000
Categories
Alameda County, California
(22)
Built 1937
(330)
Built during 1930s
(5,161)
California
(1,049)
Contra Costa County, California
(13)
Open
(21,666)
Owned by state
(6,565)
Total length over 2500 feet
(341)
Tunnel
(257)
Comments
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