US Bridges

RTE 58 over Oswegatchie River

Good

St. Lawrence County, New York · 4.3 MI NW JCT Rts 58 + 11 · Structure no. 000000001027540

Built
1953
72 years old, rebuilt 1990
Condition
Good
inspected September 2024
Type
Truss - Thru
Steel
Length
318 ft
1 main span
Daily traffic
905
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 58 over Oswegatchie River is a steel truss - thru carrying RTE 58 over Oswegatchie River in St. Lawrence County, New York. It was built in 1953 and reconstructed in 1990, so it is 72 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 905 vehicles a day, roughly 8% of them trucks, projected to reach 944 by 2041. The structure is 318 ft (96.9 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 58
CrossesOswegatchie River
Location4.3 MI NW JCT Rts 58 + 11
RouteState Highway 58
Coordinates44.35977, -75.54619
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length318 ft (96.9 m)
Longest span200 ft (60.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic905 (2020)
Projected traffic944 by 2041
Trucks8%
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$10.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 58 over Oswegatchie River built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1990.

What condition is RTE 58 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 September 2024.

How much traffic does RTE 58 over Oswegatchie River carry?

About 905 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is RTE 58 over Oswegatchie River?

The structure is 318 ft (96.9 m) long with a longest span of 200 ft (60.9 m) and a deck 33 ft wide.

Who owns RTE 58 over Oswegatchie River?

It is owned by the State Highway Agency.