US Bridges

Crary Mills RD over Tracy Brook

Fair

St. Lawrence County, New York · 4.5 Miles East of Canton · Structure no. 000000003341590

Built
1936
89 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
747
2021 count
Owner
County
County Highway Agency

About this bridge

Crary Mills RD over Tracy Brook is a steel stringer/multi-beam or girder carrying Crary Mills RD over Tracy Brook in St. Lawrence County, New York. It was built in 1936, so it is 89 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 5 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 747 vehicles a day, roughly 4% of them trucks, projected to reach 1,046 by 2041. The structure is 33 ft (10.1 m) long and 39 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCrary Mills RD
CrossesTracy Brook
Location4.5 Miles East of Canton
RouteCounty Highway 0
Coordinates44.59887, -75.05713
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width39 ft (11.9 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic747 (2021)
Projected traffic1,046 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$614,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Crary Mills RD over Tracy Brook built?

It was built in 1936, making it 89 years old in 2025.

What condition is Crary Mills RD over Tracy Brook 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 August 2024.

How much traffic does Crary Mills RD over Tracy Brook carry?

About 747 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Crary Mills RD over Tracy Brook?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 39 ft wide.

Who owns Crary Mills RD over Tracy Brook?

It is owned by the County Highway Agency.