US Bridges

RTE 9 over Ausable River Parking L

Fair

Clinton County, New York · 2MI NE of Keeseville · Structure no. 000000001071300

Built
1934
91 years old, rebuilt 1991
Condition
Fair
inspected August 2023
Type
Arch - Deck
Steel
Length
411 ft
3 main spans
Daily traffic
2,760
2016 count
Owner
State
State Highway Agency

About this bridge

RTE 9 over Ausable River Parking L is a steel arch - deck carrying RTE 9 over Ausable River Parking L in Clinton County, New York. It was built in 1934 and reconstructed in 1991, so it is 91 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.

It carries about 2,760 vehicles a day, roughly 5% of them trucks, projected to reach 2,943 by 2041. The structure is 411 ft (125.3 m) long and 42 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesRTE 9
CrossesAusable River Parking L
Location2MI NE of Keeseville
RouteU.S. Route 9
CountyClinton County
StateNew York
Coordinates44.52473, -73.46316
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.2 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length411 ft (125.3 m)
Longest span228 ft (69.5 m)
Deck width42 ft (12.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,760 (2016)
Projected traffic2,943 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$14.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9 over Ausable River Parking L built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1991.

What condition is RTE 9 over Ausable River Parking L 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 August 2023.

How much traffic does RTE 9 over Ausable River Parking L carry?

About 2,760 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is RTE 9 over Ausable River Parking L?

The structure is 411 ft (125.3 m) long with a longest span of 228 ft (69.5 m) and a deck 42 ft wide.

Who owns RTE 9 over Ausable River Parking L?

It is owned by the State Highway Agency.