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RTE I278 over RTE I278, THE NARROWS

Map 

Coordinates:
+40.60956, -74.03616
40°36'34" N, 74°02'10" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:RTE I278 over RTE I278, THE NARROWS
Structure number:000000005521218
Location:I278 OVER VERRAZ. 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:7934.1 ft. [2418.2 m]
Roadway width between curbs:74.2 ft. [22.6 m]
Deck width edge-to-edge:85.0 ft. [25.9 m]
Vertical clearance above deck:14.1 ft. [4.3 m]
Vertical clearance below bridge:227.7 ft. [69.4 m]
Skew angle:99°
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:13
Main spans material:Steel [3]
Main spans design:Suspension [13]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: October 2014 

Status:Open, no restriction [A]
Average daily traffic:182,676 [as of 2012]
Truck traffic:13% 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:49.9 tons [45.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:56.3
Recommended work:Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:$792,800,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201456.3Functionally obsoleteFairFairFair182676
October 201256.3Functionally obsoleteFairFairFair182700
October 201056.3Functionally obsoleteFairFairFair189767
November 200856.3Functionally obsoleteFairFairFair189962
November 200656.3Functionally obsoleteFairFairFair103141
October 200454.3Functionally obsoleteFairFairFair119293
October 200253.3Functionally obsoleteFairFairFair190745
October 200053.3Functionally obsoleteFairSatisfactoryFair184242
October 199853.3Functionally obsoleteFairSatisfactoryFair182039
October 199645.0Structurally deficientPoorPoorPoor118957
October 199445.0Structurally deficientPoorPoorPoor168500
October 199245.0Structurally deficientPoorPoorPoor168500
April 199045.3Structurally deficientFairPoorPoor168500