42nd Street over AMTRAK (Pittsburgh ML)


+39.97206, -75.20861
39°58'19" N, 75°12'31" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:42nd Street over AMTRAK (Pittsburgh ML)
Structure number:000000000039260
Old structure number:677301027001250 (from 1992 edition)
Location:S of Poplar St - 27K08
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Local (Urban) [19]
Tolls:Yes, on toll road [2]
Length of largest span:262.2 ft. [79.9 m]
Total length:308.1 ft. [93.9 m]
Roadway width between curbs:30.8 ft. [9.4 m]
Deck width edge-to-edge:35.4 ft. [10.8 m]
Vertical clearance above deck:10.5 ft. [3.2 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:City or Municipal Highway Agency [04]
Year built:1910
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 22.5 / HS 25 [9]
Main span material:Steel [3]
Main span design:Arch - Thru [12]
Deck type:Not applicable [N]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,900 [as of 1978]
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
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:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:69.9 tons [63.5 metric tons]
Inventory rating:43.9 tons [39.9 metric tons]
Sufficiency rating:67.4
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$2,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201567.4GoodVery GoodVery GoodVery GoodFO2900
April 201467.4GoodVery GoodVery GoodVery GoodFO2900
April 201267.4GoodVery GoodVery GoodVery GoodFO2900
April 201063.5GoodExcellentExcellentExcellentFO2900
April 200863.5GoodExcellentExcellentExcellentFO2900
April 200623.0PoorSeriousSeriousVery GoodSD2900
April 200422.8PoorSeriousSeriousFairSD2900
April 200222.8PoorSeriousSeriousFairSD2900
April 200022.7PoorSeriousSeriousFairSD2900
April 199813.7PoorPoorPoorFairSD2900
April 19967.6PoorPoorPoorFairSD2900
April 199435.6PoorPoorPoorFairSD2900
April 199235.6PoorPoorPoorFairSD2900
April 199035.6PoorPoorPoorFairSD2900