Structure 3316640 · Livingston County, NY

De Groff Road over Keshequa Creek

Carries De Groff Road over Keshequa Creek, 1.5 Mi NW Of Nunda.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating4/9 · Poor
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT72 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 4/9 · sets the ratingSubstructure 6/9

72 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.

Built1975rebuilt 2018
Length71.9 ft21.9 m
Daily traffic319counted 2019
Last inspectedOctober 2024every 24 months

Location

StateNew York
CountyLivingston
Location1.5 Mi NW Of Nunda
CarriesDe Groff Road
CrossesKeshequa Creek
Coordinates42.59614, -77.91699

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length71.9 ft (21.9 m)
Max Span66.9 ft (20.4 m)
Deck Width33.1 ft (10.1 m)
Deck Area221.2 sq m
Main Spans1
Year Built1975 (reconstructed 2018)

Traffic

Avg Daily Traffic319 (2019)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000003316640

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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