Structure 1014610 · Niagara County, NY

RTE 104 over RTE 18

Carries RTE 104 over RTE 18, Jct Rts 18 + 104.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT40 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

40 ft end to end. Lengths and the car 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 box-beam bridge.

Built196561 years old
Length40.0 ft12.2 m
Daily traffic12,154counted 2018
Last inspectedApril 2024every 24 months

Location

StateNew York
CountyNiagara
LocationJct Rts 18 + 104
CarriesRTE 104
CrossesRTE 18
Coordinates43.16830, -79.03024

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length40.0 ft (12.2 m)
Max Span37.7 ft (11.5 m)
Deck Width76.1 ft (23.2 m)
Deck Area283.0 sq m
Main Spans1
Year Built1965

Traffic

Avg Daily Traffic12,154 (2018)
Truck Traffic4%
Lanes On Bridge4
Lanes Under Bridge1

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001014610

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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