Structure 1004972 · Westchester County, NY

RTE 9 over Croton River

Carries RTE 9 over Croton River, 1.2 Mi S Jct Rts 9 & 129.

Overall conditionFair

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating6/9 · Satisfactory
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT485 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 6/9 · sets the ratingSubstructure 8/9

485 ft end to end, longest span 120 ft: about 7 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.

Built199828 years old
Length484.6 ft147.7 m
Daily traffic23,374counted 2021
Last inspectedNovember 2024every 24 months

Location

StateNew York
CountyWestchester
Location1.2 Mi S Jct Rts 9 & 129
CarriesRTE 9
CrossesCroton River
Coordinates41.18814, -73.87539

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length484.6 ft (147.7 m)
Max Span119.8 ft (36.5 m)
Deck Width50.2 ft (15.3 m)
Deck Area2259.8 sq m
Main Spans4
Year Built1998

Traffic

Avg Daily Traffic23,374 (2021)
Truck Traffic6%
Lanes On Bridge3

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000001004972

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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