US Bridges

RTE 3 over Oswegatchie River

Good

Lewis County, New York · Village of Harrisville · Structure no. 000000001000640

Built
1987
38 years old, rebuilt 2023
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
181 ft
1 main span
Daily traffic
3,138
2016 count
Owner
State
State Highway Agency

About this bridge

RTE 3 over Oswegatchie River is a steel stringer/multi-beam or girder carrying RTE 3 over Oswegatchie River in Lewis County, New York. It was built in 1987 and reconstructed in 2023, so it is 38 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,138 vehicles a day, roughly 13% of them trucks, projected to reach 3,167 by 2041. The structure is 181 ft (55.2 m) long and 47 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 3
CrossesOswegatchie River
LocationVillage of Harrisville
RouteState Highway 3
Coordinates44.14909, -75.31771
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102 US tons
Inventory rating61 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length181 ft (55.2 m)
Longest span176 ft (53.6 m)
Deck width47 ft (14.3 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,138 (2016)
Projected traffic3,167 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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$3.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 3 over Oswegatchie River built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2023.

What condition is RTE 3 over Oswegatchie 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 November 2023.

How much traffic does RTE 3 over Oswegatchie River carry?

About 3,138 vehicles per day (2016 count), of which roughly 13% are trucks.

How long is RTE 3 over Oswegatchie River?

The structure is 181 ft (55.2 m) long with a longest span of 176 ft (53.6 m) and a deck 47 ft wide.

Who owns RTE 3 over Oswegatchie River?

It is owned by the State Highway Agency.