US Bridges

County Road 8 over Cobleskill Creek

Good

Schoharie County, New York · .5 MI SE of Howes Cave · Structure no. 000000003354620

Built
1986
39 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
157 ft
1 main span
Daily traffic
776
2017 count
Owner
County
County Highway Agency

About this bridge

County Road 8 over Cobleskill Creek is a steel stringer/multi-beam or girder carrying County Road 8 over Cobleskill Creek in Schoharie County, New York. It was built in 1986, so it is 39 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 776 vehicles a day, roughly 26% of them trucks, projected to reach 1,086 by 2037. The structure is 157 ft (47.9 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCounty Road 8
CrossesCobleskill Creek
Location.5 MI SE of Howes Cave
RouteCounty Highway 0
CountySchoharie County
StateNew York
Coordinates42.68469, -74.37447
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span152 ft (46.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic776 (2017)
Projected traffic1,086 by 2037
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$2.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 8 over Cobleskill Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Road 8 over Cobleskill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does County Road 8 over Cobleskill Creek carry?

About 776 vehicles per day (2017 count), of which roughly 26% are trucks.

How long is County Road 8 over Cobleskill Creek?

The structure is 157 ft (47.9 m) long with a longest span of 152 ft (46.3 m) and a deck 30 ft wide.

Who owns County Road 8 over Cobleskill Creek?

It is owned by the County Highway Agency.