US Bridges

RTE 37C over ST Regis River

Fair

St. Lawrence County, New York · 0.8 Miles East of Helena · Structure no. 000000001024030

Built
1959
66 years old, rebuilt 1981
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
304 ft
4 main spans
Daily traffic
2,777
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 37C over ST Regis River is a prestressed concrete continuous box beam or girders - multiple carrying RTE 37C over ST Regis River in St. Lawrence County, New York. It was built in 1959 and reconstructed in 1981, so it is 66 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 2,777 vehicles a day, roughly 6% of them trucks, projected to reach 3,888 by 2041. The structure is 304 ft (92.7 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 37C
CrossesST Regis River
Location0.8 Miles East of Helena
RouteState Highway 37C
Coordinates44.92462, -74.72274
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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 rating110.1 US tons
Inventory rating73 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length304 ft (92.7 m)
Longest span74 ft (22.5 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,777 (2021)
Projected traffic3,888 by 2041
Trucks6%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 37C over ST Regis River built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1981.

What condition is RTE 37C over ST Regis River 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 37C over ST Regis River carry?

About 2,777 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is RTE 37C over ST Regis River?

The structure is 304 ft (92.7 m) long with a longest span of 74 ft (22.5 m) and a deck 37 ft wide.

Who owns RTE 37C over ST Regis River?

It is owned by the State Highway Agency.