US Bridges

Cottrell Road over Walloomsac River

PoorPosted for load

Rensselaer County, New York · 6MI NE of Hoosick Falls · Structure no. 000000002201650

Built
1920
105 years old, rebuilt 1990
Condition
Poor
inspected August 2024
Type
Truss - Thru
Steel
Length
81 ft
1 main span
Daily traffic
165
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Cottrell Road over Walloomsac River is a steel truss - thru carrying Cottrell Road over Walloomsac River in Rensselaer County, New York. It was built in 1920 and reconstructed in 1990, so it is 105 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 165 vehicles a day, roughly 10% of them trucks, projected to reach 231 by 2040. The structure is 81 ft (24.7 m) long and 20 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCottrell Road
CrossesWalloomsac River
Location6MI NE of Hoosick Falls
Coordinates42.93961, -73.28459
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, 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 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating9 US tons
Inventory rating5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span80 ft (24.3 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165 (2020)
Projected traffic231 by 2040
Trucks10%
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cottrell Road over Walloomsac River built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1990.

What condition is Cottrell Road over Walloomsac River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Cottrell Road over Walloomsac River carry?

About 165 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Cottrell Road over Walloomsac River?

The structure is 81 ft (24.7 m) long with a longest span of 80 ft (24.3 m) and a deck 20 ft wide.

Who owns Cottrell Road over Walloomsac River?

It is owned by the Town or Township Highway Agency.