Structure 5522309 · New York County, NY

I-495 over Amtrak/long Islnd

Carries I-495 over Amtrak/long Islnd, In West Manhattan.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT468 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

468 ft end to end, longest span 213 ft: about 6 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a girder bridge.

Built195670 years old
Length467.8 ft142.6 m
Daily traffic70,800counted 1994
Last inspectedDecember 2024every 24 months

Location

StateNew York
CountyNew York
LocationIn West Manhattan
CarriesI-495
CrossesAmtrak/long Islnd
Coordinates40.75291, -73.99899

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length467.8 ft (142.6 m)
Max Span212.9 ft (64.9 m)
Deck Width56.4 ft (17.2 m)
Deck Area2452.7 sq m
Main Spans3
Year Built1956

Traffic

Avg Daily Traffic70,800 (1994)
Truck Traffic9%
Lanes On Bridge4

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerLocal Toll Authority
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000005522309

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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