Structure 1008601 · Jefferson County, NY

RTE I81 over RTE 11 Lindsey Creek

Carries RTE I81 over RTE 11 Lindsey Creek, 3.7 Mi S Jct Rts 193 +i81.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT447 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

447 ft end to end, longest span 112 ft: about 6 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.

Built1961rebuilt 1992
Length446.9 ft136.2 m
Daily traffic9,913counted 2015
Last inspectedJune 2024every 24 months

Location

StateNew York
CountyJefferson
Location3.7 Mi S Jct Rts 193 +i81
CarriesRTE I81
CrossesRTE 11 Lindsey Creek
Coordinates43.68095, -76.07248

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length446.9 ft (136.2 m)
Max Span111.9 ft (34.1 m)
Deck Width35.1 ft (10.7 m)
Deck Area1457.3 sq m
Main Spans6
Year Built1961 (reconstructed 1992)

Traffic

Avg Daily Traffic9,913 (2015)
Truck Traffic25%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number000000001008601

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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