Structure 1095560 · Monroe County, NY

Ramp D over RTE I490

Carries Ramp D over RTE I490, Jct Wbi490ext+i490wb Ramp.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT179 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

179 ft end to end, longest span 69 ft: about 2 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.

Built1963rebuilt 1993
Length179.1 ft54.6 m
Daily traffic5,396counted 2020
Last inspectedApril 2023every 24 months

Location

StateNew York
CountyMonroe
LocationJct Wbi490ext+i490wb Ramp
CarriesRamp D
CrossesRTE I490
Coordinates43.15496, -77.71720

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length179.1 ft (54.6 m)
Max Span68.9 ft (21 m)
Deck Width36.1 ft (11 m)
Deck Area600.6 sq m
Main Spans3
Year Built1963 (reconstructed 1993)

Traffic

Avg Daily Traffic5,396 (2020)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001095560

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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