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PA 11 over RBMNRR; NFSRR; MILL CK

Map

Coordinates:
+41.32750, -75.74760
41°19'39" N, 75°44'51" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:PA 11 over RBMNRR; NFSRR; MILL CK
Structure number:000000000023616
Old structure number:400011079016100 (from 1992 edition)
Location:DUPONT BORO JCT TR 315
Purpose:Carries highway and pedestrian walkway over railroad and waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:203.1 ft. [61.9 m]
Total length:355.0 ft. [108.2 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:32.2 ft. [9.8 m]
Vertical clearance above deck:17.4 ft. [5.3 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Skew angle:45°
Owner:Railroad [27]
Year built:1929
Year reconstructed:1984
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:8,287 [as of 2018]
Truck traffic:4% of total traffic
Deck condition:Satisfactory [6 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:45.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$210,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018PoorSatisfactoryPoorPoor828745.5
September 2016PoorSatisfactoryPoorPoor831845.5
September 2014PoorGoodPoorFair735848.0
September 2012PoorGoodPoorFair766347.9
September 2010PoorGoodPoorFair765647.9
September 2009PoorGoodPoorFair829447.5
September 2008PoorGoodPoorFair829447.5
August 2007PoorGoodPoorFair816947.6
August 2006PoorGoodPoorFair772447.8
September 2005PoorGoodPoorFair763244.1
September 2004PoorGoodPoorFair763244.1
September 2003PoorGoodPoorFair817547.0
September 2002PoorGoodPoorFair804647.1
January 2001FairGoodFairSatisfactory858564.0
October 1999FairGoodFairSatisfactory843364.1
April 1997FairGoodFairSatisfactory805564.2
July 1995FairGoodFairGood791362.2
September 1993FairGoodFairGood1342060.3
January 1992GoodGoodGoodGood1280572.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.602600020
Reinforced Concrete Closed Web/Box Girderlinear ft.149954590
Steel Stringerlinear ft.1,17078039000
Steel Protective Coatingsq. ft.10,75310,753000
Deck
Reinforced Concrete Decksq. ft.11,48111,36611500
Superstructure
Steel Trusslinear ft.409040900
Steel Protective Coatingsq. ft.10,75310,753000
Steel Floor Beamlinear ft.34027125440
Steel Protective Coatingsq. ft.10,75310,753000
Substructure
Reinforced Concrete Columneach90720
Reinforced Concrete Abutmentlinear ft.118110800
Reinforced Concrete Pier Caplinear ft.17713520220
Joints
Strip Seal Jointlinear ft.10195600
Other Jointlinear ft.9797000
Bearings
Movable Bearingeach1715200
Steel Protective Coatingsq. ft.43,01343,013000
Fixed Bearingeach1715200
Steel Protective Coatingsq. ft.43,01343,013000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.565356200
Steel Protective Coatingsq. ft.43,01343,013000
Reinforced Concrete Bridge Raillinear ft.156156000