US Bridges

RTE 58 over West Branch Oswegatchie

Good

St. Lawrence County, New York · 7.3 MI SE JCT Rts 58 + 11 · Structure no. 000000001027530

Built
2001
24 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
151 ft
1 main span
Daily traffic
1,914
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 58 over West Branch Oswegatchie is a steel stringer/multi-beam or girder carrying RTE 58 over West Branch Oswegatchie in St. Lawrence County, New York. It was built in 2001, so it is 24 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 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 1,914 vehicles a day, roughly 7% of them trucks, projected to reach 2,680 by 2040. The structure is 151 ft (46 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRTE 58
CrossesWest Branch Oswegatchie
Location7.3 MI SE JCT Rts 58 + 11
RouteState Highway 58
CountySt. Lawrence County
StateNew York
Coordinates44.2789, -75.35503
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length151 ft (46 m)
Longest span147 ft (44.7 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,914 (2020)
Projected traffic2,680 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$2.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 58 over West Branch Oswegatchie built?

It was built in 2001, making it 24 years old in 2025.

What condition is RTE 58 over West Branch Oswegatchie 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 2023.

How much traffic does RTE 58 over West Branch Oswegatchie carry?

About 1,914 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is RTE 58 over West Branch Oswegatchie?

The structure is 151 ft (46 m) long with a longest span of 147 ft (44.7 m) and a deck 41 ft wide.

Who owns RTE 58 over West Branch Oswegatchie?

It is owned by the State Highway Agency.