US Bridges

Stone Mill Road over Claverack Creek

FairPosted for load

Columbia County, New York · 0.4 MI W of Claverack · Structure no. 000000003222200

Built
1930
95 years old, rebuilt 1988
Condition
Fair
inspected June 2023
Type
Girder and Floorbeam System
Steel
Length
74 ft
1 main span
Daily traffic
798
2020 count
Owner
County
County Highway Agency

About this bridge

Stone Mill Road over Claverack Creek is a steel girder and floorbeam system carrying Stone Mill Road over Claverack Creek in Columbia County, New York. It was built in 1930 and reconstructed in 1988, so it is 95 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 798 vehicles a day, roughly 3% of them trucks, projected to reach 1,117 by 2040. The structure is 74 ft (22.6 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesStone Mill Road
CrossesClaverack Creek
Location0.4 MI W of Claverack
CountyColumbia County
StateNew York
Coordinates42.221, -73.74244
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length74 ft (22.6 m)
Longest span70 ft (21.3 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic798 (2020)
Projected traffic1,117 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$2.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stone Mill Road over Claverack Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1988.

What condition is Stone Mill Road over Claverack Creek 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 June 2023.

How much traffic does Stone Mill Road over Claverack Creek carry?

About 798 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Stone Mill Road over Claverack Creek?

The structure is 74 ft (22.6 m) long with a longest span of 70 ft (21.3 m) and a deck 23 ft wide.

Who owns Stone Mill Road over Claverack Creek?

It is owned by the County Highway Agency.