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RTE I278 over RTE I278, THE NARROWS, S

Map 

Coordinates:
+40.60386, -74.05351
40°36'14" N, 74°03'13" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:RTE I278 over RTE I278, THE NARROWS, S
Structure number:000000005521217
Location:I278 OVER THE NARROWS
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:7683.1 ft. [2341.7 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:227.7 ft. [69.4 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]
Operating rating:44.9 tons [40.8 metric tons]
Inventory rating:31.9 tons [29.0 metric tons]
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 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201655.3FairFairFairFairFO182700
October 201455.3FairFairFairFairFO182676
October 201255.3FairFairFairFairFO182700
October 201055.3FairFairFairFairFO189767
October 200855.3FairFairFairFairFO189962
October 200655.3FairFairFairFairFO103141
October 200457.3FairFairFairFairFO119293
October 200258.3FairFairFairFairFO190745
October 200058.3FairFairFairFairFO184242
October 199849.0PoorFairFairPoorSD173454
November 199619.0PoorFairPoorSeriousSD118957
October 199419.0PoorFairSeriousSeriousSD168500
October 199247.8PoorFairPoorPoorSD168500
April 199045.3PoorFairPoorPoorSD168500