Structure 3357600 · Allegany County, NY

County Road 20 over Genesee River

Carries County Road 20 over Genesee River, 2.7 Mi NW Of Belmont.

Overall conditionFair

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT280 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

280 ft end to end, longest span 92 ft: about 4 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.

Built1959rebuilt 2015
Length279.9 ft85.3 m
Daily traffic634counted 2019
Last inspectedJune 2023every 24 months

Location

StateNew York
CountyAllegany
Location2.7 Mi NW Of Belmont
CarriesCounty Road 20
CrossesGenesee River
Coordinates42.26408, -78.05208

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length279.9 ft (85.3 m)
Max Span91.9 ft (28 m)
Deck Width32.2 ft (9.8 m)
Deck Area835.9 sq m
Main Spans3
Year Built1959 (reconstructed 2015)

Traffic

Avg Daily Traffic634 (2019)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number000000003357600

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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