Historic Bridges
of the United States
Animas River US 550 Bridge
La Plata County
,
Colorado
Overview
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TopoZone
Terraserver USA
Facts
Overview
Three-span arch bridge over Animas River on US 550 in Durango
Location
La Plata County
,
Colorado
Status
Open to traffic
History
Built ca. 1910; rehabilitated 1965
Design
Arch
Dimensions
Length of largest span: 40.0 ft.
Total length: 150.8 ft.
Deck width: 69.8 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+37.28000, -107.88167
(decimal degrees)
37°16'48" N, 107°52'54" W
(degrees°minutes'seconds")
Approximate UTM coordinates
13/244514/4129827
(zone/easting/northing)
USGS topographic map
Durango West
Inventory numbers
CDOT O-05-J
(Colorado Dept. of Transportation structure number)
BH 11920
(Bridgehunter.com ID)
Inspection
(as of 11/2007)
Deck condition rating:
Satisfactory
(6 out of 9)
Superstructure condition rating:
Satisfactory
(6 out of 9)
Substructure condition rating:
Satisfactory
(6 out of 9)
Sufficiency rating: 87.2
(out of 100)
Average daily traffic
(as of 2005)
37,300
Categories
Arch
(7,666)
Built during 1910s
(4,374)
Colorado
(273)
La Plata County, Colorado
(4)
NR-eligible
(2,578)
Open
(21,983)
Owned by state
(6,721)
Span length 25-50 feet
(6,209)
Total length 125-175 feet
(2,721)
US 550
(3)
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