Structure 5522399 · New York County, NY

Dyer Avenue over RTE I495

Carries Dyer Avenue over RTE I495, 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
CAR · 15 FT42 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

42 ft end to end. Lengths and the car 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 rigid-frame bridge.

Built195670 years old
Length42.0 ft12.8 m
Daily traffic9,680counted 2019
Last inspectedJuly 2023every 24 months

Location

StateNew York
CountyNew York
LocationIn West Manhattan
CarriesDyer Avenue
CrossesRTE I495
Coordinates40.75687, -73.99546

Physical Characteristics

MaterialSteel
DesignFrame
Total Length42.0 ft (12.8 m)
Max Span39.7 ft (12.1 m)
Deck Width100.1 ft (30.5 m)
Deck Area390.4 sq m
Main Spans1
Year Built1956

Traffic

Avg Daily Traffic9,680 (2019)
Truck Traffic15%
Lanes On Bridge6
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerLocal Toll Authority
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000005522399

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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