Structure 1048960 · Monroe County, NY

RTE I490 over Irondequoit Creek

Carries RTE I490 over Irondequoit Creek, .2 Mi SE Jct I490e & Sh31.

Overall conditionFair

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

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT55 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 55 ft across with 2 openings. 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, so those are drawn as typical for a culvert.

Built195571 years old
Length55.1 ft16.8 m
Daily traffic52,434counted 2019
Last inspectedAugust 2023every 24 months

Location

StateNew York
CountyMonroe
Location.2 Mi SE Jct I490e & Sh31
CarriesRTE I490
CrossesIrondequoit Creek
Coordinates43.07669, -77.48378

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length55.1 ft (16.8 m)
Max Span24.9 ft (7.6 m)
Deck Area512.4 sq m
Main Spans2
Year Built1955

Traffic

Avg Daily Traffic52,434 (2019)
Truck Traffic4%
Lanes On Bridge5

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000001048960

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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