Structure 1024610 · Wyoming County, NY

RTE 39 over East Koy Creek

Carries RTE 39 over East Koy Creek, 2.0mi NE Jct Rts 19 + 39.

Overall conditionPoor

Set by its lowest-rated component: Deck at 3 of 9.

How ratings work
Decksets the rating3/9 · Serious
Superstructure5/9 · Fair
Substructure5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT57 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 3/9 · sets the ratingSuperstructure 5/9Substructure 5/9

57 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 multi-beam bridge.

Built1928rebuilt 1952
Length57.1 ft17.4 m
Daily traffic1,772counted 2018
Last inspectedAugust 2024every 24 months

Location

StateNew York
CountyWyoming
Location2.0mi NE Jct Rts 19 + 39
CarriesRTE 39
CrossesEast Koy Creek
Coordinates42.59156, -78.10559

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length57.1 ft (17.4 m)
Max Span50.9 ft (15.5 m)
Deck Width27.9 ft (8.5 m)
Deck Area147.9 sq m
Main Spans1
Year Built1928 (reconstructed 1952)

Traffic

Avg Daily Traffic1,772 (2018)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number000000001024610

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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