Structure 1030290 · Erie County, NY

RTE 324 over RTE 78

Carries RTE 324 over RTE 78, Jct State Hwys 324 & 78.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT116 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 6/9 · sets the rating

116 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 multi-beam bridge.

Built199828 years old
Length116.1 ft35.4 m
Daily traffic22,109counted 2019
Last inspectedMarch 2024every 24 months

Location

StateNew York
CountyErie
LocationJct State Hwys 324 & 78
CarriesRTE 324
CrossesRTE 78
Coordinates42.97819, -78.69695

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length116.1 ft (35.4 m)
Max Span111.9 ft (34.1 m)
Deck Width76.1 ft (23.2 m)
Deck Area821.3 sq m
Main Spans1
Year Built1998

Traffic

Avg Daily Traffic22,109 (2019)
Truck Traffic2%
Lanes On Bridge5
Lanes Under Bridge5

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001030290

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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