RTE I278 over RTE I278, THE NARROWS, S


+40.60386, -74.05351
40°36'14" N, 74°03'13" 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:7683.1 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 2014 

Status:Open, no restriction [A]
Average daily traffic:182,676 [as of 2011]
Truck traffic:10% 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]
Evaluation:Functionally obsolete [2]
Sufficiency rating:55.3
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$335,071,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201455.3Functionally obsoleteFairFairFair182676
October 201255.3Functionally obsoleteFairFairFair182700
October 201055.3Functionally obsoleteFairFairFair189767
October 200855.3Functionally obsoleteFairFairFair189962
October 200655.3Functionally obsoleteFairFairFair103141
October 200457.3Functionally obsoleteFairFairFair119293
October 200258.3Functionally obsoleteFairFairFair190745
October 200058.3Functionally obsoleteFairFairFair184242
20000.0Not applicable---100000
October 199849.0Structurally deficientFairFairPoor173454
November 199619.0Structurally deficientFairPoorSerious118957
October 199419.0Structurally deficientFairSeriousSerious168500
October 199247.8Structurally deficientFairPoorPoor168500
April 199045.3Structurally deficientFairPoorPoor168500