Structure 1021870 · Onondaga County, NY

RTE 31 over Csx Rr / Amtrak

Carries RTE 31 over Csx Rr / Amtrak, .1 Mi S Jct SH 31 & I90.

Overall conditionPoor

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

How ratings work
Deck5/9 · Fair
Superstructuresets the rating4/9 · Poor
Substructuresets the rating4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT254 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 4/9 · sets the ratingSubstructure 4/9 · sets the rating

254 ft end to end, longest span 107 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 box-beam bridge.

Built198343 years old
Length253.9 ft77.4 m
Daily traffic3,556counted 2020
Last inspectedNovember 2024every 24 months

Location

StateNew York
CountyOnondaga
Location.1 Mi S Jct SH 31 & I90
CarriesRTE 31
CrossesCsx Rr / Amtrak
Coordinates43.07509, -76.48059

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length253.9 ft (77.4 m)
Max Span107.0 ft (32.6 m)
Deck Width42.7 ft (13 m)
Deck Area1006.2 sq m
Main Spans3
Year Built1983

Traffic

Avg Daily Traffic3,556 (2020)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001021870

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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