Martin's Mill Road over CSX,SEPTA (NWTN BR)


+40.05723, -75.09346
40°03'26" N, 75°05'36" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:Martin's Mill Road over CSX,SEPTA (NWTN BR)
Structure number:000000000039236
Old structure number:677301017001910 (from 1992 edition)
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Local (Urban) [19]
Length of largest span:51.8 ft. [15.8 m]
Total length:112.9 ft. [34.4 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:46.3 ft. [14.1 m]
Vertical clearance above deck:18.7 ft. [5.7 m]
Vertical clearance below bridge:19.4 ft. [5.9 m]
Skew angle:15°
Owner:City or Municipal Highway Agency [04]
Year built:1999
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Prestressed concrete [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: June 2016 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:6,800 [as of 1981]
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Scour condition:Bridge not over waterway. [N]
Operating rating:98.8 tons [89.8 metric tons]
Inventory rating:71.8 tons [65.3 metric tons]
Sufficiency rating:72.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$739,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201672.7GoodVery GoodVery GoodGoodFO6800
June 201472.7GoodVery GoodVery GoodGoodFO6800
June 201272.7GoodVery GoodVery GoodVery GoodFO6800
June 201072.7GoodExcellentVery GoodVery GoodFO6800
June 200872.7GoodExcellentVery GoodVery GoodFO6800
June 200674.7GoodExcellentVery GoodVery Good-6800
June 200474.7GoodExcellentVery GoodVery Good-6800
June 200278.8GoodExcellentVery GoodVery Good-6800
June 200075.7GoodExcellentExcellentExcellent-6800
June 19984.0PoorFairCriticalSeriousSD6600
June 19962.0PoorFairCriticalSeriousSD6600
June 19942.0PoorSatisfactorySeriousSeriousSD6600
June 19922.0PoorSatisfactorySeriousSeriousSD6600
June 19903.4PoorSatisfactoryPoorFairSD6600