RTE I278 over RTE I278, THE NARROWS, S


+40.60940, -74.03609
40°36'34" N, 74°02'10" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:RTE I278 over RTE I278, THE NARROWS, S
Structure number:000000005521217
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes [1]
Length of largest span:4204.9 ft. [1281.6 m]
Total length:7683.4 ft. [2341.8 m]
Roadway width between curbs:74.2 ft. [22.6 m]
Deck width edge-to-edge:87.9 ft. [26.8 m]
Vertical clearance above deck:14.1 ft. [4.3 m]
Vertical clearance below bridge:226.4 ft. [69.0 m]
Skew angle:
Owner:Local Toll Authority [32]
Year built:1961
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:5
Main spans material:Steel [3]
Main spans design:Suspension [13]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:182,700 [as of 2014]
Truck traffic:12% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:55.3
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$792,800,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016FairFairFairFair18270055.3
October 2014FairFairFairFair18267655.3
October 2012FairFairFairFair18270055.3
October 2010FairFairFairFair18976755.3
October 2008FairFairFairFair18996255.3
October 2006FairFairFairFair10314155.3
October 2004FairFairFairFair11929357.3
October 2002FairFairFairFair19074558.3
October 2000FairFairFairFair18424258.3
October 1998PoorFairFairPoor17345449.0
November 1996PoorFairPoorSerious11895719.0
October 1994PoorFairSeriousSerious16850019.0
October 1992PoorFairPoorPoor16850047.8
April 1990PoorFairPoorPoor16850045.3

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.8,3528997,393564
Steel Protective Coatingsq. ft.4,674,087254,4913,972,784225,136221,676
Steel Stringerlinear ft.52,384050,7931,5910
Steel Protective Coatingsq. ft.2,958,7261,5872,680,905197,27978,955
Reinforced Concrete Decksq. ft.50,46631,34119,079460
Wearing Surfacessq. ft.45,2887,54837,73640
Concrete Protective Coatingsq. ft.18,322018,1531690
Steel Trusslinear ft.12,972012,97200
Steel Floor Beamlinear ft.14,111010,0014,1100
Steel Pin or Pin & Hangar Assemblyeach2002000
Steel Gusset Plateeach935534316850
Reinforced Concrete Columneach140950
Steel Column Tower/Trestlelinear ft.310031000
Reinforced Concrete Pier Walllinear ft.8920838540
Reinforced Concrete Abutmentlinear ft.284028400
Reinforced Concrete Pier Caplinear ft.5460519270
Concrete Filled Grid Decksq. ft.453,8480453,6122360
Wearing Surfacessq. ft.479,972477,4241,0831,41352
Strip Seal Jointlinear ft.4040038717
Pourable Jointlinear ft.5,992433,0682,8783
Compression Jointlinear ft.302003002
Assembly without Seal Jointlinear ft.5060042086
Elastomeric Bearingeach120457500
Steel Protective Coatingsq. ft.6,9801206,156352352
Movable Bearingeach24012012
Fixed Bearingeach722436012
Steel Protective Coatingsq. ft.81,6286,31575,30760
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.32,9255132,3745000
Reinforced Concrete Bridge Raillinear ft.3,1831,0992,065190
Reinforced Concrete Slabsq. ft.33,542033,3501866
Wearing Surfacessq. ft.32,684032,659250
Concrete Protective Coatingsq. ft.54,966054,4485180