RTE I678 over RTE I495, LIRR, RTE I678


+40.76258, -73.83997
40°45'45" N, 73°50'24" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:RTE I678 over RTE I495, LIRR, RTE I678
Structure number:000000001055789
Location:JCT I495+RTE 678
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:179.8 ft. [54.8 m]
Total length:9848.2 ft. [3001.6 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:94.2 ft. [28.7 m]
Vertical clearance above deck:14.4 ft. [4.4 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Owner:State Highway Agency [01]
Year built:1963
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:131
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
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: November 2014 

Status:Open, no restriction [A]
Average daily traffic:127,289 [as of 2005]
Truck traffic:7% of total traffic
Deck condition:Fair [5 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:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:81.8 tons [74.4 metric tons]
Inventory rating:21.5 tons [19.5 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:28.9
Recommended work:Bridge deck rehabilitation with only incidental widening. [36]
Estimated cost of work:$792,800,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201428.9Structurally deficientFairPoorPoor127289
November 201228.9Structurally deficientFairPoorPoor127289
October 201028.9Structurally deficientFairPoorPoor124675
October 200838.0Structurally deficientFairPoorPoor121733
November 200644.0Structurally deficientFairPoorPoor120632
December 200544.0Structurally deficientFairPoorPoor137852
December 200444.0Structurally deficientFairPoorPoor137852
December 200243.0Functionally obsoleteFairFairFair83764
August 200043.0Functionally obsoleteFairFairSatisfactory83764
November 199843.0Functionally obsoleteFairFairSatisfactory83764
November 199617.9Structurally deficientPoorSeriousPoor79191
August 199419.2Structurally deficientPoorSeriousSerious68857
November 199319.2Structurally deficientPoorPoorSerious124783
December 199219.2Structurally deficientPoorSeriousSerious85290
November 199129.2Structurally deficientSeriousSeriousSerious85290