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ALLENS LANE over SEPTA; CHESTNUT HILL

Map

Coordinates:
+40.06359, -75.18739
40°03'49" N, 75°11'15" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:ALLENS LANE over SEPTA; CHESTNUT HILL
Structure number:000000000039045
Old structure number:674003010007670 (from 1992 edition)
Location:CHESTNUT HILL 3479 J01
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Collector (Urban) [17]
Length of largest span:28.9 ft. [8.8 m]
Total length:30.8 ft. [9.4 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:42.7 ft. [13.0 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Skew angle:22°
Owner:State Highway Agency [01]
Year built:1908
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Main span material:Concrete continuous [2]
Main span design:Girder and floorbeam system [03]
Deck type:Not applicable [N]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2014

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:6,106 [as of 2014]
Truck traffic:2% of total traffic
Deck condition:Serious [3 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:38.8 tons [35.3 metric tons]
Inventory rating:22.9 tons [20.8 metric tons]
Sufficiency rating:26.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201426.5PoorSeriousPoorPoorSD6106
October 201226.9PoorSeriousPoorFairSD6171
October 201023.8PoorSeriousPoorFairSD6704
November 200923.8PoorSeriousPoorFairSD6689
November 200823.8PoorSeriousPoorFairSD6689
January 200842.0PoorSeriousPoorFairSD6661
November 200623.9PoorSeriousPoorFairSD6595
November 200523.3PoorSeriousPoorFairSD6674
October 200326.5PoorSeriousPoorFairSD6504
October 200229.4PoorPoorPoorFairSD6345
November 200126.6PoorSeriousPoorFairSD6345
September 200026.4PoorSeriousPoorFairSD6528
August 199929.3PoorPoorPoorFairSD6425
July 199846.8PoorPoorPoorFairSD6330
July 199746.9PoorPoorPoorFairSD6230
August 199624.0PoorPoorPoorFairSD6132
July 199417.4PoorPoorPoorFairSD10306
August 199317.7PoorPoorPoorFairSD10124
July 199217.7PoorPoorPoorFairSD10124
March 199118.6PoorPoorPoorFairSD9500