Structure 1036290 · Niagara County, NY

RTE 104 over Rbt Moses Pwrplnt

Carries RTE 104 over Rbt Moses Pwrplnt, 0.5 Mi N Jct Rts 104 & 61.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,784 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

1,784 ft end to end, longest span 91 ft: about 5.0 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.

Built1960rebuilt 1992
Length1784.1 ft543.8 m
Daily traffic6,614counted 2020
Last inspectedDecember 2022every 24 months

Location

StateNew York
CountyNiagara
Location0.5 Mi N Jct Rts 104 & 61
CarriesRTE 104
CrossesRbt Moses Pwrplnt
Coordinates43.14405, -79.03906

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length1784.1 ft (543.8 m)
Max Span90.9 ft (27.7 m)
Deck Width60.0 ft (18.3 m)
Deck Area9951.5 sq m
Main Spans34
Year Built1960 (reconstructed 1992)

Traffic

Avg Daily Traffic6,614 (2020)
Truck Traffic3%
Lanes On Bridge4

Inspection & Ownership

Last InspectionDecember 2022
Inspection FrequencyEvery 24 months
OwnerOther State Agencies
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000001036290

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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