42nd Street over AMTRAK (Pittsburgh ML)


+39.97220, -75.20860
39°58'20" 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 - 3589-G05
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:3.3 ft. [1.0 m]
Deck width edge-to-edge:35.4 ft. [10.8 m]
Vertical clearance above deck:14.8 ft. [4.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:28°
Owner:City or Municipal Highway Agency [04]
Year built:1910
Year reconstructed:2006
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:8,000 [as of 2016]
Truck traffic:25% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
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]
Sufficiency rating:68.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,062,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017GoodVery GoodGoodVery Good800068.5
February 2015GoodVery GoodVery GoodVery Good290067.4
April 2014GoodVery GoodVery GoodVery Good290067.4
April 2012GoodVery GoodVery GoodVery Good290067.4
April 2010GoodExcellentExcellentExcellent290063.5
April 2008GoodExcellentExcellentExcellent290063.5
April 2006PoorSeriousSeriousVery Good290023.0
April 2004PoorSeriousSeriousFair290022.8
April 2002PoorSeriousSeriousFair290022.8
April 2000PoorSeriousSeriousFair290022.7
April 1998PoorPoorPoorFair290013.7
April 1996PoorPoorPoorFair29007.6
April 1994PoorPoorPoorFair290035.6
April 1992PoorPoorPoorFair290035.6
April 1990PoorPoorPoorFair290035.6