US Bridges

Hoadley Road over Trout Brook

Fair

St. Lawrence County, New York · 1.5 MI NW of West Potsdam · Structure no. 000000002221630

Built
1925
100 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
17
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Hoadley Road over Trout Brook is a concrete slab carrying Hoadley Road over Trout Brook in St. Lawrence County, New York. It was built in 1925, so it is 100 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 17 vehicles a day, roughly 12% of them trucks, projected to reach 24 by 2041. The structure is 25 ft (7.6 m) long and 21 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesHoadley Road
CrossesTrout Brook
Location1.5 MI NW of West Potsdam
CountySt. Lawrence County
StateNew York
Coordinates44.70353, -75.11683
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 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 alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2021)
Projected traffic24 by 2041
Trucks12%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$146,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hoadley Road over Trout Brook built?

It was built in 1925, making it 100 years old in 2025.

What condition is Hoadley Road over Trout 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 October 2023.

How much traffic does Hoadley Road over Trout Brook carry?

About 17 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Hoadley Road over Trout Brook?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 21 ft wide.

Who owns Hoadley Road over Trout Brook?

It is owned by the Town or Township Highway Agency.