US Bridges

Davern Road over Little Ausable River

Good

Clinton County, New York · 2.1 MI NE Harkness · Structure no. 000000003335920

Built
2019
6 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
255
2020 count
Owner
County
County Highway Agency

About this bridge

Davern Road over Little Ausable River is a prestressed concrete box beam or girders - multiple carrying Davern Road over Little Ausable River in Clinton County, New York. It was built in 2019, so it is 6 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 255 vehicles a day, roughly 5% of them trucks, projected to reach 357 by 2040. The structure is 71 ft (21.6 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDavern Road
CrossesLittle Ausable River
Location2.1 MI NE Harkness
Coordinates44.55019, -73.54871
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length71 ft (21.6 m)
Longest span68 ft (20.7 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic255 (2020)
Projected traffic357 by 2040
Trucks5%
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$582,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Davern Road over Little Ausable River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Davern Road 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 2023.

How much traffic does Davern Road over Little Ausable River carry?

About 255 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Davern Road over Little Ausable River?

The structure is 71 ft (21.6 m) long with a longest span of 68 ft (20.7 m) and a deck 29 ft wide.

Who owns Davern Road over Little Ausable River?

It is owned by the County Highway Agency.