Structure 1008320 · Broome County, NY

RTE 11 over Tioughnioga River

Carries RTE 11 over Tioughnioga River, Jct Us11 & Tioughnioga Rv.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT334 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

334 ft end to end, longest span 110 ft: about 5 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 girder bridge.

Built1947rebuilt 1993
Length334.0 ft101.8 m
Daily traffic9,205counted 2020
Last inspectedOctober 2023every 24 months

Location

StateNew York
CountyBroome
LocationJct Us11 & Tioughnioga Rv
CarriesRTE 11
CrossesTioughnioga River
Coordinates42.33101, -75.96778

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length334.0 ft (101.8 m)
Max Span109.9 ft (33.5 m)
Deck Width57.7 ft (17.6 m)
Deck Area1791.7 sq m
Main Spans3
Year Built1947 (reconstructed 1993)

Traffic

Avg Daily Traffic9,205 (2020)
Truck Traffic11%
Lanes On Bridge3

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number000000001008320

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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