Structure 5500640 · Westchester County, NY

RTE 987 over Saw Mill River

Carries RTE 987 over Saw Mill River, At Hastings On Hudson.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT37 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

37 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.

Built192799 years old
Length37.1 ft11.3 m
Daily traffic5,979counted 2015
Last inspectedMay 2024every 12 months

Location

StateNew York
CountyWestchester
LocationAt Hastings On Hudson
CarriesRTE 987
CrossesSaw Mill River
Coordinates40.98107, -73.86779

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length37.1 ft (11.3 m)
Max Span31.8 ft (9.7 m)
Deck Width44.9 ft (13.7 m)
Deck Area154.8 sq m
Main Spans1
Year Built1927

Traffic

Avg Daily Traffic5,979 (2015)
Truck Traffic4%
Lanes On Bridge4

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number000000005500640

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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