Structure 1017782 · Greene County, NY

RTE 23 over 87ix RTE I87

Carries RTE 23 over 87ix RTE I87, Jct RT 23 & I87.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT176 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

176 ft end to end, longest span 86 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.

Built196858 years old
Length175.9 ft53.6 m
Daily traffic5,855counted 2011
Last inspectedNovember 2023every 24 months

Location

StateNew York
CountyGreene
LocationJct RT 23 & I87
CarriesRTE 23
Crosses87ix RTE I87
Coordinates42.24442, -73.89131

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length175.9 ft (53.6 m)
Max Span86.0 ft (26.2 m)
Deck Width33.1 ft (10.1 m)
Deck Area541.4 sq m
Main Spans2
Year Built1968

Traffic

Avg Daily Traffic5,855 (2011)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001017782

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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