Structure 5501600 · Westchester County, NY

RTE 987f over Grassy Sprain Brook

Carries RTE 987f over Grassy Sprain Brook, 1.6 Mi W Of Tuckahoe.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT61 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 61 ft across with 2 openings. 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, so those are drawn as typical for a culvert.

Built197056 years old
Length61.0 ft18.6 m
Daily traffic1,766counted 1997
Last inspectedJune 2024every 24 months

Location

StateNew York
CountyWestchester
Location1.6 Mi W Of Tuckahoe
CarriesRTE 987f
CrossesGrassy Sprain Brook
Coordinates40.95059, -73.85226

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length61.0 ft (18.6 m)
Max Span29.9 ft (9.1 m)
Deck Area113.5 sq m
Main Spans2
Year Built1970

Traffic

Avg Daily Traffic1,766 (1997)
Truck Traffic13%
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 Critical4 — Foundations need monitoring
Structure Number000000005501600

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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