Structure 3342120 · Columbia County, NY

County Road 7a over Roeliff Jansen Kill

Carries County Road 7a over Roeliff Jansen Kill, 0.7 Mi E Of West Copake.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT86 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 8/9

86 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 box-beam bridge.

Built201610 years old
Length86.0 ft26.2 m
Daily traffic1,566counted 2021
Last inspectedOctober 2024every 24 months

Location

StateNew York
CountyColumbia
Location0.7 Mi E Of West Copake
CarriesCounty Road 7a
CrossesRoeliff Jansen Kill
Coordinates42.09683, -73.56834

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length86.0 ft (26.2 m)
Max Span82.0 ft (25 m)
Deck Width33.1 ft (10.1 m)
Deck Area264.6 sq m
Main Spans1
Year Built2016

Traffic

Avg Daily Traffic1,566 (2021)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000003342120

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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