US Bridges

RTE 3 over Little River

Fair

St. Lawrence County, New York · 9.3 MI SE JCT RTE 3 & 58 · Structure no. 000000001000690

Built
1996
29 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
2,288
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 3 over Little River is a prestressed concrete box beam or girders - multiple carrying RTE 3 over Little River in St. Lawrence County, New York. It was built in 1996, so it is 29 years old, younger 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 2,288 vehicles a day, roughly 13% of them trucks, projected to reach 2,309 by 2041. The structure is 75 ft (22.9 m) long and 42 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesRTE 3
CrossesLittle River
Location9.3 MI SE JCT RTE 3 & 58
RouteState Highway 3
Coordinates44.16438, -75.00813
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length75 ft (22.9 m)
Longest span70 ft (21.3 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,288 (2021)
Projected traffic2,309 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemYes

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$914,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 3 over Little River built?

It was built in 1996, making it 29 years old in 2025.

What condition is RTE 3 over Little 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 2024.

How much traffic does RTE 3 over Little River carry?

About 2,288 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is RTE 3 over Little River?

The structure is 75 ft (22.9 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.

Who owns RTE 3 over Little River?

It is owned by the State Highway Agency.