US Bridges

County Road 9 over Cobleskill Creek

PoorPosted for load

Schoharie County, New York · 6 MI East of Cobleskill · Structure no. 000000003355030

Built
1928
97 years old
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
95 ft
1 main span
Daily traffic
366
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 9 over Cobleskill Creek is a steel truss - thru carrying County Road 9 over Cobleskill Creek in Schoharie County, New York. It was built in 1928, so it is 97 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 366 vehicles a day, roughly 9% of them trucks, projected to reach 444 by 2041. The structure is 95 ft (29 m) long and 22 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

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CarriesCounty Road 9
CrossesCobleskill Creek
Location6 MI East of Cobleskill
RouteCounty Highway 0
CountySchoharie County
StateNew York
Coordinates42.68869, -74.40546
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating43 US tons
Inventory rating25 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length95 ft (29 m)
Longest span94 ft (28.7 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic366 (2020)
Projected traffic444 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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$2.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 9 over Cobleskill Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is County Road 9 over Cobleskill Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does County Road 9 over Cobleskill Creek carry?

About 366 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is County Road 9 over Cobleskill Creek?

The structure is 95 ft (29 m) long with a longest span of 94 ft (28.7 m) and a deck 22 ft wide.

Who owns County Road 9 over Cobleskill Creek?

It is owned by the County Highway Agency.