Historic Bridges
of the United States
Darby Road Bridge
Delaware County
,
Pennsylvania
Overview
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Facts
Overview
Concrete arch bridge over Ithan Creek on Darby Road in Radnor Township
Location
Delaware County
,
Pennsylvania
Status
Open to traffic
History
Built 1932
Design
Closed-spandrel arch
Dimensions
Length of largest span: 40.0 ft.
Total length: 43.0 ft.
Deck width: 22.6 ft.
Approximate latitude, longitude
+39.99833, -75.35167
(decimal degrees)
39°59'54" N, 75°21'06" W
(degrees°minutes'seconds")
Approximate UTM coordinates
18/469981/4427631
(zone/easting/northing)
USGS topographic map
Lansdowne
Inventory numbers
PA 23 2005 0200 0400
(Pennsylvania bridge number)
BH 30857
(Bridgehunter.com ID)
Inspection
(as of 10/2006)
Superstructure condition rating:
Fair
(5 out of 9)
Substructure condition rating:
Satisfactory
(6 out of 9)
Appraisal:
Functionally obsolete
Sufficiency rating: 50.8
(out of 100)
Average daily traffic
(as of 2008)
9,002
Categories
Arch
(7,668)
Built 1932
(534)
Built during 1930s
(6,038)
Closed-spandrel arch
(1,159)
Deck arch
(6,753)
Delaware County, Pennsylvania
(34)
Functionally obsolete
(5,758)
Open
(22,117)
Owned by state
(6,726)
Pennsylvania
(1,714)
Span length 25-50 feet
(6,214)
Total length 25-50 feet
(5,446)
Comments
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