US Bridges

RTE 58 over Black Lake S Channel

Good

St. Lawrence County, New York · 2.2MI NW JCT Rts 58 +184 · Structure no. 000000001027560

Built
1995
30 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
88 ft
1 main span
Daily traffic
834
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 58 over Black Lake S Channel is a steel stringer/multi-beam or girder carrying RTE 58 over Black Lake S Channel in St. Lawrence County, New York. It was built in 1995, so it is 30 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 834 vehicles a day, roughly 10% of them trucks, projected to reach 870 by 2041. The structure is 88 ft (26.8 m) long and 36 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesRTE 58
CrossesBlack Lake S Channel
Location2.2MI NW JCT Rts 58 +184
RouteState Highway 58
Coordinates44.51789, -75.58813
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 protection9 ExcellentNo problems noted.
Last inspectionMay 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length88 ft (26.8 m)
Longest span84 ft (25.6 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic834 (2018)
Projected traffic870 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 58 over Black Lake S Channel built?

It was built in 1995, making it 30 years old in 2025.

What condition is RTE 58 over Black Lake S Channel 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 May 2023.

How much traffic does RTE 58 over Black Lake S Channel carry?

About 834 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is RTE 58 over Black Lake S Channel?

The structure is 88 ft (26.8 m) long with a longest span of 84 ft (25.6 m) and a deck 36 ft wide.

Who owns RTE 58 over Black Lake S Channel?

It is owned by the State Highway Agency.