Structure 1039729 · Niagara County, NY

RTE I190 over Power Reservoir

Carries RTE I190 over Power Reservoir, 3.3 Mi N Jct RT 190i & 31.

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 overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT818 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 6/9 · sets the rating

818 ft end to end, longest span 68 ft: about 2.3 football fields. 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.

Built1963rebuilt 2015
Length817.9 ft249.3 m
Daily traffic19,138counted 2020
Last inspectedNovember 2023every 24 months

Location

StateNew York
CountyNiagara
Location3.3 Mi N Jct RT 190i & 31
CarriesRTE I190
CrossesPower Reservoir
Coordinates43.14160, -79.02242

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length817.9 ft (249.3 m)
Max Span67.9 ft (20.7 m)
Deck Width94.5 ft (28.8 m)
Deck Area7179.8 sq m
Main Spans12
Year Built1963 (reconstructed 2015)

Traffic

Avg Daily Traffic19,138 (2020)
Truck Traffic24%
Lanes On Bridge4

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000001039729

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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