Structure 5513309 · Greene County, NY

RTE I87 over Hannacrois Creek

Carries RTE I87 over Hannacrois Creek, 1 Mi NE Jct Sh144 & US 9w.

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
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT65 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

65 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 multi-beam bridge.

Built195571 years old
Length65.0 ft19.8 m
Daily traffic37,426counted 2020
Last inspectedOctober 2024every 24 months

Location

StateNew York
CountyGreene
Location1 Mi NE Jct Sh144 & US 9w
CarriesRTE I87
CrossesHannacrois Creek
Coordinates42.44066, -73.80611

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length65.0 ft (19.8 m)
Max Span62.0 ft (18.9 m)
Deck Width123.0 ft (37.5 m)
Deck Area742.5 sq m
Main Spans1
Year Built1955

Traffic

Avg Daily Traffic37,426 (2020)
Truck Traffic25%
Lanes On Bridge4

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000005513309

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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