Structure 1044619 · Westchester County, NY

RTE I287 over Catskill Aqueduct

Carries RTE I287 over Catskill Aqueduct, 0.6 Mi E Jct Rts I287+9a.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT182 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 7/9

182 ft end to end, longest span 67 ft: about 3 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 multi-beam bridge.

Built200422 years old
Length182.1 ft55.5 m
Daily traffic96,758counted 2021
Last inspectedAugust 2024every 24 months

Location

StateNew York
CountyWestchester
Location0.6 Mi E Jct Rts I287+9a
CarriesRTE I287
CrossesCatskill Aqueduct
Coordinates41.05078, -73.80810

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length182.1 ft (55.5 m)
Max Span66.9 ft (20.4 m)
Deck Width139.1 ft (42.4 m)
Deck Area2353.2 sq m
Main Spans3
Year Built2004

Traffic

Avg Daily Traffic96,758 (2021)
Truck Traffic18%
Lanes On Bridge8

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical9 — Foundation above flood level
Structure Number000000001044619

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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