Structure 5515991 · Montgomery County, NY

RTE I90 over CR 61

Carries RTE I90 over CR 61, 0.3 Mi S Of ST Johnsville.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT38 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

38 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 rigid-frame bridge.

Built195472 years old
Length38.1 ft11.6 m
Daily traffic11,090counted 2014
Last inspectedApril 2024every 24 months

Location

StateNew York
CountyMontgomery
Location0.3 Mi S Of ST Johnsville
CarriesRTE I90
CrossesCR 61
Coordinates42.99093, -74.68231

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length38.1 ft (11.6 m)
Max Span37.1 ft (11.3 m)
Deck Width55.8 ft (17 m)
Deck Area197.2 sq m
Main Spans1
Year Built1954

Traffic

Avg Daily Traffic11,090 (2014)
Truck Traffic23%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000005515991

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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