Structure 5315350 · Genesee County, NY

CR 4 over 90ix RTE I90

Carries CR 4 over 90ix RTE I90, 3.7 Mi E Int RT 77 & I90.

Overall conditionFair

Set by its lowest-rated component: Deck and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT252 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 5/9 · sets the rating

252 ft end to end, longest span 77 ft: about 3 semi-trucks nose to tail. 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.

Built1954rebuilt 1978
Length252.0 ft76.8 m
Daily traffic1,018counted 2021
Last inspectedMay 2023every 24 months

Location

StateNew York
CountyGenesee
Location3.7 Mi E Int RT 77 & I90
CarriesCR 4
Crosses90ix RTE I90
Coordinates43.01219, -78.33464

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length252.0 ft (76.8 m)
Max Span77.1 ft (23.5 m)
Deck Width33.1 ft (10.1 m)
Deck Area775.7 sq m
Main Spans4
Year Built1954 (reconstructed 1978)

Traffic

Avg Daily Traffic1,018 (2021)
Truck Traffic10%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000005315350

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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