US Bridges

Oswegatchie Trail over Little River

Good

St. Lawrence County, New York · Located in Lower Oswegatc · Structure no. 000000003363500

Built
1924
101 years old
Condition
Good
inspected May 2023
Type
Arch - Deck
Concrete
Length
81 ft
1 main span
Daily traffic
284
2015 count
Owner
County
County Highway Agency

About this bridge

Oswegatchie Trail over Little River is a concrete arch - deck carrying Oswegatchie Trail over Little River in St. Lawrence County, New York. It was built in 1924, so it is 101 years old, older 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 284 vehicles a day, roughly 4% of them trucks, projected to reach 398 by 2035. The structure is 81 ft (24.7 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesOswegatchie Trail
CrossesLittle River
LocationLocated in Lower Oswegatc
Coordinates44.1932, -75.06884
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating46.5 US tons
Inventory rating11.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length81 ft (24.7 m)
Longest span75 ft (22.8 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic284 (2015)
Projected traffic398 by 2035
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Oswegatchie Trail over Little River built?

It was built in 1924, making it 101 years old in 2025.

What condition is Oswegatchie Trail over Little 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 May 2023.

How much traffic does Oswegatchie Trail over Little River carry?

About 284 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is Oswegatchie Trail over Little River?

The structure is 81 ft (24.7 m) long with a longest span of 75 ft (22.8 m) and a deck 27 ft wide.

Who owns Oswegatchie Trail over Little River?

It is owned by the County Highway Agency.