US Bridges

Calkins RD over Little Ausable River

Good

Clinton County, New York · .2 MI W Harkness · Structure no. 000000003335940

Built
2005
20 years old
Condition
Good
inspected August 2024
Type
Frame
Concrete
Length
33 ft
1 main span
Daily traffic
529
2021 count
Owner
County
County Highway Agency

About this bridge

Calkins RD over Little Ausable River is a concrete frame carrying Calkins RD over Little Ausable River in Clinton County, New York. It was built in 2005, so it is 20 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 529 vehicles a day, roughly 4% of them trucks, projected to reach 741 by 2041. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCalkins RD
CrossesLittle Ausable River
Location.2 MI W Harkness
RouteCounty Highway 0
Coordinates44.52546, -73.57401
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.6 US tons
Inventory rating45 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic529 (2021)
Projected traffic741 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$306,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Calkins RD over Little Ausable River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Calkins RD over Little Ausable River 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 August 2024.

How much traffic does Calkins RD over Little Ausable River carry?

About 529 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Calkins RD over Little Ausable River?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns Calkins RD over Little Ausable River?

It is owned by the County Highway Agency.