US Bridges

RTE 37C over Raquette River

Fair

St. Lawrence County, New York · JCT RTE 37C + Racquette R · Structure no. 000000001024020

Built
1930
95 years old, rebuilt 1985
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
294 ft
2 main spans
Daily traffic
2,777
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 37C over Raquette River is a steel truss - thru carrying RTE 37C over Raquette River in St. Lawrence County, New York. It was built in 1930 and reconstructed in 1985, so it is 95 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 294 ft (89.6 m) long and 26 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesRTE 37C
CrossesRaquette River
LocationJCT RTE 37C + Racquette R
RouteState Highway 37C
Coordinates44.95006, -74.78996
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length294 ft (89.6 m)
Longest span145 ft (44.1 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic2,777 (2021)
Projected traffic3,888 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

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$8.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 37C over Raquette River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1985.

What condition is RTE 37C over Raquette 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 September 2024.

How much traffic does RTE 37C over Raquette River carry?

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

How long is RTE 37C over Raquette River?

The structure is 294 ft (89.6 m) long with a longest span of 145 ft (44.1 m) and a deck 26 ft wide.

Who owns RTE 37C over Raquette River?

It is owned by the State Highway Agency.