Structure 1029030 · Columbia County, NY

RTE 66 over Stony Kill

Carries RTE 66 over Stony Kill, 0.3 Mi N Jct Rts 66 & 295.

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
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT99 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

99 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.

Built1886rebuilt 1998
Length99.1 ft30.2 m
Daily traffic1,824counted 2020
Last inspectedJuly 2024every 24 months

Location

StateNew York
CountyColumbia
Location0.3 Mi N Jct Rts 66 & 295
CarriesRTE 66
CrossesStony Kill
Coordinates42.36505, -73.59652

Physical Characteristics

MaterialMasonry
DesignArch - Deck
Total Length99.1 ft (30.2 m)
Max Span49.9 ft (15.2 m)
Deck Width34.8 ft (10.6 m)
Deck Area320.1 sq m
Main Spans1
Year Built1886 (reconstructed 1998)

Traffic

Avg Daily Traffic1,824 (2020)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number000000001029030

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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