Structure 1070510 · Westchester County, NY

SE Ramp 987f over Catskill Aqueduct

Carries SE Ramp 987f over Catskill Aqueduct, S Of Int 287i & Sbsp.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT178 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9Substructure 5/9 · sets the rating

178 ft end to end, longest span 44 ft: about 2 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 box-beam bridge.

Built198145 years old
Length178.1 ft54.3 m
Daily traffic8,422counted 2016
Last inspectedJune 2024every 24 months

Location

StateNew York
CountyWestchester
LocationS Of Int 287i & Sbsp
CarriesSE Ramp 987f
CrossesCatskill Aqueduct
Coordinates41.05118, -73.80919

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length178.1 ft (54.3 m)
Max Span44.0 ft (13.4 m)
Deck Width24.9 ft (7.6 m)
Deck Area412.7 sq m
Main Spans4
Year Built1981

Traffic

Avg Daily Traffic8,422 (2016)
Truck Traffic1%
Lanes On Bridge1

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical9 — Foundation above flood level
Structure Number000000001070510

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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