Structure 1021840 · Cayuga County, NY

RTE 31 over Cold Spring Brook

Carries RTE 31 over Cold Spring Brook, 0.9 Mi SW Jct Rts 31b+ 34.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT53 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

53 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.

Built1948rebuilt 2004
Length53.1 ft16.2 m
Daily traffic3,864counted 2020
Last inspectedApril 2024every 24 months

Location

StateNew York
CountyCayuga
Location0.9 Mi SW Jct Rts 31b+ 34
CarriesRTE 31
CrossesCold Spring Brook
Coordinates43.04363, -76.57766

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length53.1 ft (16.2 m)
Max Span51.8 ft (15.8 m)
Deck Width37.4 ft (11.4 m)
Deck Area184.7 sq m
Main Spans1
Year Built1948 (reconstructed 2004)

Traffic

Avg Daily Traffic3,864 (2020)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000001021840

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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