Structure 1057652 · Nassau County, NY

RTE 908t over RTE 908m

Carries RTE 908t over RTE 908m, Jct Rts Ssp+wsp.

Overall conditionGood

Set by its lowest-rated component: Superstructure and Substructure at 8 of 9.

How ratings work
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT78 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 8/9Substructure 8/9

78 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 deck arch.

Built195670 years old
Length78.1 ft23.8 m
Daily traffic34,784counted 2021
Last inspectedJanuary 2023every 24 months

Location

StateNew York
CountyNassau
LocationJct Rts Ssp+wsp
CarriesRTE 908t
CrossesRTE 908m
Coordinates40.69859, -73.51859

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length78.1 ft (23.8 m)
Max Span72.8 ft (22.2 m)
Deck Width91.5 ft (27.9 m)
Deck Area664.0 sq m
Main Spans1
Year Built1956

Traffic

Avg Daily Traffic34,784 (2021)
Truck Traffic1%
Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000001057652

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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