US Bridges

Cowan Road over Tracy Brook

Good

St. Lawrence County, New York · 2 MI NE of Canton · Structure no. 000000003340650

Built
1959
66 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
675
2018 count
Owner
County
County Highway Agency

About this bridge

Cowan Road over Tracy Brook is a steel stringer/multi-beam or girder carrying Cowan Road over Tracy Brook in St. Lawrence County, New York. It was built in 1959, so it is 66 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 675 vehicles a day, roughly 6% of them trucks, projected to reach 945 by 2038. The structure is 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCowan Road
CrossesTracy Brook
Location2 MI NE of Canton
CountySt. Lawrence County
StateNew York
Coordinates44.61039, -75.11763
Functional classUrban Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic675 (2018)
Projected traffic945 by 2038
Trucks6%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$363,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cowan Road over Tracy Brook built?

It was built in 1959, making it 66 years old in 2025.

What condition is Cowan Road over Tracy Brook 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 Cowan Road over Tracy Brook carry?

About 675 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Cowan Road over Tracy Brook?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Cowan Road over Tracy Brook?

It is owned by the County Highway Agency.