US Bridges

RTE 37 over Oswegatchie River Trail

Fair

St. Lawrence County, New York · JCT SH37 & Oswegatchie Rv · Structure no. 000000001023820

Built
1958
67 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
544 ft
5 main spans
Daily traffic
9,859
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 37 over Oswegatchie River Trail is a steel stringer/multi-beam or girder carrying RTE 37 over Oswegatchie River Trail in St. Lawrence County, New York. It was built in 1958, so it is 67 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 6 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 9,859 vehicles a day, roughly 10% of them trucks, projected to reach 9,905 by 2041. The structure is 544 ft (165.8 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 37
CrossesOswegatchie River Trail
LocationJCT SH37 & Oswegatchie Rv
RouteState Highway 37
Coordinates44.68375, -75.48903
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length544 ft (165.8 m)
Longest span108 ft (32.9 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,859 (2021)
Projected traffic9,905 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$5.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 37 over Oswegatchie River Trail built?

It was built in 1958, making it 67 years old in 2025.

What condition is RTE 37 over Oswegatchie River Trail 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 October 2024.

How much traffic does RTE 37 over Oswegatchie River Trail carry?

About 9,859 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is RTE 37 over Oswegatchie River Trail?

The structure is 544 ft (165.8 m) long with a longest span of 108 ft (32.9 m) and a deck 35 ft wide.

Who owns RTE 37 over Oswegatchie River Trail?

It is owned by the State Highway Agency.