Structure 3371560 · Columbia County, NY

County Road 21 over Tributary Agawamuck Cree

Carries County Road 21 over Tributary Agawamuck Cree, 100 E Pheasant LN Jcr21.

Overall conditionGood

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

How ratings work
Superstructure9/9 · Excellent
Substructuresets the rating8/9 · Very Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT26 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 9/9Substructure 8/9 · sets the rating

26 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 rigid-frame bridge.

Built20206 years old
Length25.9 ft7.9 m
Daily traffic566counted 2017
Last inspectedApril 2024every 24 months

Location

StateNew York
CountyColumbia
Location100 E Pheasant LN Jcr21
CarriesCounty Road 21
CrossesTributary Agawamuck Cree
Coordinates42.26697, -73.56576

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length25.9 ft (7.9 m)
Max Span24.0 ft (7.3 m)
Deck Width30.2 ft (9.2 m)
Deck Area72.7 sq m
Main Spans1
Year Built2020

Traffic

Avg Daily Traffic566 (2017)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000003371560

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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