US Bridges

RTE 58 over Oswegatchie River

Fair

St. Lawrence County, New York · 7.1 MI NW JCT SH 3 & SH 5 · Structure no. 000000001027470

Built
1964
61 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
213 ft
2 main spans
Daily traffic
771
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 58 over Oswegatchie River is a steel stringer/multi-beam or girder carrying RTE 58 over Oswegatchie River in St. Lawrence County, New York. It was built in 1964, so it is 61 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 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 771 vehicles a day, roughly 8% of them trucks, projected to reach 1,079 by 2040. The structure is 213 ft (64.9 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRTE 58
CrossesOswegatchie River
Location7.1 MI NW JCT SH 3 & SH 5
RouteState Highway 58
CountySt. Lawrence County
StateNew York
Coordinates44.31569, -75.25185
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum 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 rating110.1 US tons
Inventory rating71 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length213 ft (64.9 m)
Longest span103 ft (31.3 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic771 (2020)
Projected traffic1,079 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$2.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 58 over Oswegatchie River built?

It was built in 1964, making it 61 years old in 2025.

What condition is RTE 58 over Oswegatchie 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 July 2023.

How much traffic does RTE 58 over Oswegatchie River carry?

About 771 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is RTE 58 over Oswegatchie River?

The structure is 213 ft (64.9 m) long with a longest span of 103 ft (31.3 m) and a deck 33 ft wide.

Who owns RTE 58 over Oswegatchie River?

It is owned by the State Highway Agency.