US Bridges

County Road 8 over Dover Kill

Fair

Columbia County, New York · 0.9 MI SW of L Taghkanic · Structure no. 000000003342570

Built
1948
77 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
704
2017 count
Owner
County
County Highway Agency

About this bridge

County Road 8 over Dover Kill is a concrete slab carrying County Road 8 over Dover Kill in Columbia County, New York. It was built in 1948, so it is 77 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 704 vehicles a day, roughly 4% of them trucks, projected to reach 986 by 2037. The structure is 29 ft (8.8 m) long and 31 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesCounty Road 8
CrossesDover Kill
Location0.9 MI SW of L Taghkanic
RouteCounty Highway 0
CountyColumbia County
StateNew York
Coordinates42.07589, -73.72623
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic704 (2017)
Projected traffic986 by 2037
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$675,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 8 over Dover Kill built?

It was built in 1948, making it 77 years old in 2025.

What condition is County Road 8 over Dover Kill in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does County Road 8 over Dover Kill carry?

About 704 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is County Road 8 over Dover Kill?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 31 ft wide.

Who owns County Road 8 over Dover Kill?

It is owned by the County Highway Agency.