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I-495 over AMTRAK/LONG ISLND

Map 

Coordinates:
+40.75286, -73.99887
40°45'10" N, 73°59'56" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-495 over AMTRAK/LONG ISLND
Structure number:000000005522309
Location:IN WEST MANHATTAN
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:212.9 ft. [64.9 m]
Total length:466.9 ft. [142.3 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:56.4 ft. [17.2 m]
Vertical clearance above deck:14.1 ft. [4.3 m]
Vertical clearance below bridge:25.9 ft. [7.9 m]
Owner:Local Toll Authority [32]
Year built:1956
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2015 

Status:Open, no restriction [A]
Average daily traffic:70,800 [as of 1994]
Truck traffic:9% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:108.6 tons [98.7 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:52.0
Recommended work:Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:$318,639,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201552.0Functionally obsoleteFairSatisfactorySatisfactory70800
August 201352.0Functionally obsoleteFairSatisfactorySatisfactory70800
July 201152.0Functionally obsoleteFairSatisfactorySatisfactory70800
July 200952.0Functionally obsoleteFairSatisfactorySatisfactory70800
December 200752.0Functionally obsoleteFairSatisfactorySatisfactory70800
September 200553.0Functionally obsoleteSatisfactorySatisfactorySatisfactory70800
November 200353.0Functionally obsoleteSatisfactorySatisfactorySatisfactory70800
November 200157.0Functionally obsoleteSatisfactorySatisfactorySatisfactory70800
October 199959.0Functionally obsoleteSatisfactorySatisfactorySatisfactory70800
October 199748.0Functionally obsoleteSatisfactoryFairFair70800
February 199636.0Structurally deficientPoorPoorPoor70800
December 199338.0Structurally deficientFairPoorPoor70800
December 199136.0Structurally deficientFairPoorPoor70800