Structure 1034652 · Niagara County, NY

RTE 957a over RTE 93 Lockport RD

Carries RTE 957a over RTE 93 Lockport RD, 1.0 Mi E Jct Rts 93 & 18f.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT122 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 7/9

122 ft end to end. 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.

Built196561 years old
Length122.0 ft37.2 m
Daily traffic2,112counted 2020
Last inspectedSeptember 2023every 24 months

Location

StateNew York
CountyNiagara
Location1.0 Mi E Jct Rts 93 & 18f
CarriesRTE 957a
CrossesRTE 93 Lockport RD
Coordinates43.25375, -79.03042

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length122.0 ft (37.2 m)
Max Span116.8 ft (35.6 m)
Deck Width45.3 ft (13.8 m)
Deck Area513.4 sq m
Main Spans1
Year Built1965

Traffic

Avg Daily Traffic2,112 (2020)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge8

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Park/Forest Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001034652

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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