Structure 1091440 · Westchester County, NY

RTE 129 over RTE 987g

Carries RTE 129 over RTE 987g, Jct RTE 129+tsp NB.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT64 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

64 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.

Built196858 years old
Length64.0 ft19.5 m
Daily traffic3,818counted 2015
Last inspectedJune 2024every 24 months

Location

StateNew York
CountyWestchester
LocationJct RTE 129+tsp NB
CarriesRTE 129
CrossesRTE 987g
Coordinates41.23977, -73.81291

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length64.0 ft (19.5 m)
Max Span54.1 ft (16.5 m)
Deck Width36.7 ft (11.2 m)
Deck Area218.4 sq m
Main Spans1
Year Built1968

Traffic

Avg Daily Traffic3,818 (2015)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge3

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001091440

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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