Chalfont Drive over Byberry Creek


+40.08237, -74.98255
40°04'57" N, 74°58'57" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:Chalfont Drive over Byberry Creek
Structure number:000000000039197
Old structure number:677301009000470 (from 1992 edition)
Location:W of Waldemire Dr 20B01
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Urban) [19]
Length of largest span:41.0 ft. [12.5 m]
Total length:41.0 ft. [12.5 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:54.5 ft. [16.6 m]
Skew angle:
Owner:City or Municipal Highway Agency [04]
Year built:1965
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Concrete [1]
Main span design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2014 

Status:Open, no restriction [A]
Average daily traffic:5,000 [as of 1982]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:61.8 tons [56.2 metric tons]
Inventory rating:37.8 tons [34.4 metric tons]
Sufficiency rating:95.8
Recommended work:Other structural work, including hydraulic replacements. [38]

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201495.8Not deficientGoodGoodSatisfactory5000
August 201295.8Not deficientGoodGoodSatisfactory5000
August 201095.8Not deficientGoodGoodSatisfactory5000
August 200895.8Not deficientGoodGoodSatisfactory5000
August 200695.8Not deficientGoodGoodSatisfactory5000
August 200495.8Not deficientGoodGoodSatisfactory5000
August 200295.8Not deficientGoodGoodSatisfactory5000
October 200096.8Not deficientGoodGoodSatisfactory5000
August 199896.8Not deficientGoodGoodSatisfactory5000
August 199696.8Not deficientGoodGoodSatisfactory5000
August 199480.6Functionally obsoleteFairSatisfactoryFair5000
August 199280.6Functionally obsoleteFairSatisfactoryFair5000
August 199080.6Functionally obsoleteFairSatisfactoryFair5000