Structure 5512859 · Madison County, NY

RTE I90 over N Lake ST

Carries RTE I90 over N Lake ST, 4 Mi W Exit 33 Of I90.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT178 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

178 ft end to end, longest span 67 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.

Built195373 years old
Length178.1 ft54.3 m
Daily traffic31,294counted 2020
Last inspectedSeptember 2024every 24 months

Location

StateNew York
CountyMadison
Location4 Mi W Exit 33 Of I90
CarriesRTE I90
CrossesN Lake ST
Coordinates43.11216, -75.65917

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length178.1 ft (54.3 m)
Max Span66.9 ft (20.4 m)
Deck Width113.2 ft (34.5 m)
Deck Area1873.3 sq m
Main Spans3
Year Built1953

Traffic

Avg Daily Traffic31,294 (2020)
Truck Traffic23%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000005512859

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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