File:Campbell's Bridge, Spanning Unami Creek at Allentown Road (State Rout, Milford Square vicinity (Bucks County, Pennsylvania).jpg
Photo taken by HAER
View this photo at en.m.wikipedia.org
BH Photo #276711
The bridge is part of a once larger body of early short-span reinforced concrete bridges in Bucks County. It is the oldest open-spandrel reinforced concrete arch bridge in the PennDOT system and may also be one of the oldest examples in the U.S.
-- Historic American Engineering Record
- Open-spandrel arch bridge over Unami Creek on Allentown Road
- Bucks County, Pennsylvania
- Replaced by a new bridge
- Built 1906
- - Adam Oscar Martin of Doylestown, Pennsylvania
- Dailey Construction Co. of Wycombe, Pennsylvania
- Open-spandrel arch
Length of largest span: 71.9 ft.
Total length: 80.1 ft.
Deck width: 15.7 ft.
Posted to the National Register of Historic Places on June 22, 1988
- Approximate latitude, longitude
- +40.42833, -75.39667 (decimal degrees)
40°25'42" N, 75°23'48" W (degrees°minutes'seconds")
- Approximate UTM coordinates
- 18/466353/4475375 (zone/easting/northing)
- Quadrangle map:
- Milford Square
- Inventory numbers
- PA 09 4027 0210 0000 (Pennsylvania Bridge Management System number)
NRHP 88000733 (National Register of Historic Places reference number)
PANBI 43170 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 30506 (Bridgehunter.com ID)
- Inspection (as of 01/2010)
- Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Very Good (8 out of 9)
Sufficiency rating: 96.7 (out of 100)
- Average daily traffic (as of 2010)
- February 23, 2016: Updated by Nathan Holth: Bridge replaced, added HAER link.
- March 2, 2014: Photo imported by Dave King