US Bridges

Browns Bridge Roa over Raquette River

Good

St. Lawrence County, New York · 2.25 Miles NW of Colton · Structure no. 000000003221560

Built
1979
46 years old, rebuilt 2021
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
220 ft
2 main spans
Daily traffic
341
2015 count
Owner
County
County Highway Agency

About this bridge

Browns Bridge Roa over Raquette River is a steel continuous stringer/multi-beam or girder carrying Browns Bridge Roa over Raquette River in St. Lawrence County, New York. It was built in 1979 and reconstructed in 2021, so it is 46 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 341 vehicles a day, roughly 10% of them trucks, projected to reach 477 by 2035. The structure is 220 ft (67.1 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBrowns Bridge Roa
CrossesRaquette River
Location2.25 Miles NW of Colton
RouteCounty Highway 0
Coordinates44.58685, -74.95987
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation9: Superior to present desirable 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 alignment6: Equal to present minimum criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length220 ft (67.1 m)
Longest span108 ft (32.9 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic341 (2015)
Projected traffic477 by 2035
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Browns Bridge Roa over Raquette River built?

It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2021.

What condition is Browns Bridge Roa over Raquette 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 August 2023.

How much traffic does Browns Bridge Roa over Raquette River carry?

About 341 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Browns Bridge Roa over Raquette River?

The structure is 220 ft (67.1 m) long with a longest span of 108 ft (32.9 m) and a deck 28 ft wide.

Who owns Browns Bridge Roa over Raquette River?

It is owned by the County Highway Agency.