Structure 2206220 · Oneida County, NY

Oliver Road over Big Brook

Carries Oliver Road over Big Brook, 2.5 Mi NE Lake Delta.

Overall conditionFair

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

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT52 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 6/9 · sets the rating

52 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 2015
Length51.8 ft15.8 m
Daily traffic21counted 2017
Last inspectedNovember 2023every 24 months

Location

StateNew York
CountyOneida
Location2.5 Mi NE Lake Delta
CarriesOliver Road
CrossesBig Brook
Coordinates43.32141, -75.34735

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length51.8 ft (15.8 m)
Max Span46.9 ft (14.3 m)
Deck Width18.0 ft (5.5 m)
Deck Area86.9 sq m
Main Spans1
Year Built1975 (reconstructed 2015)

Traffic

Avg Daily Traffic21 (2017)
Truck Traffic15%
Lanes On Bridge1

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000002206220

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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