Historic Bridges
of the United States
Allerton Road Bridge
Chester County
,
Pennsylvania
Overview
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TopoZone
Terraserver USA
Facts
Overview
Through truss bridge over East Branch of Brandywine Creek on Allerton Road
Location
Chester County
,
Pennsylvania
Status
Open to traffic
History
Built ca. 1905
Design
Pratt through truss
Dimensions
Length of largest span: 95.1 ft.
Total length: 105.0 ft.
Deck width: 14.4 ft.
Vertical clearance above deck: 17.2 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+39.93833, -75.64000
(decimal degrees)
39°56'18" N, 75°38'24" W
(degrees°minutes'seconds")
Inventory numbers
PA 15 7015 0438 0111
(Pennsylvania bridge number)
BH 30641
(Bridgehunter.com ID)
Inspection
(as of 04/2005)
Deck condition rating:
Satisfactory
(6 out of 9)
Superstructure condition rating:
Fair
(5 out of 9)
Substructure condition rating:
Fair
(5 out of 9)
Appraisal:
Functionally obsolete
Sufficiency rating: 40.2
(out of 100)
Average daily traffic
(as of 2003)
1,259
Categories
Chester County, Pennsylvania
(61)
Functionally obsolete
(5,078)
NR-eligible
(2,573)
Open
(21,688)
Owned by county
(14,194)
Pennsylvania
(1,696)
Pratt truss
(1,480)
Span length 75-100 feet
(3,272)
Through truss
(5,300)
Total length 100-125 feet
(2,433)
Truss
(15,884)
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