US Bridges

C3026 over Walloomsac River

FairPosted for load

Bennington County, Vermont · 0.3 MI S JCT 67A & TH26 · Structure no. 100202003002021

Built
1840
185 years old, rebuilt 1991
Condition
Fair
inspected October 2023
Type
Truss - Thru
Wood or Timber
Length
86 ft
1 main span
Daily traffic
1,500
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3026 over Walloomsac River is a wood or timber truss - thru carrying C3026 over Walloomsac River in Bennington County, Vermont. It was built in 1840 and reconstructed in 1991, so it is 185 years old, older than the Vermont average of 60.8 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. Its operating status is: posted for load restriction.

It carries about 1,500 vehicles a day, roughly 2% of them trucks, projected to reach 1,575 by 2029. The structure is 86 ft (26.2 m) long and 14 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesC3026
CrossesWalloomsac River
Location0.3 MI S JCT 67A & TH26
CountyBennington County
StateVermont
Coordinates42.9094, -73.22538
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating8 US tons
Inventory rating8 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length86 ft (26.2 m)
Longest span75 ft (22.9 m)
Deck width14 ft (4.2 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deck10 ft (3.1 m)

Traffic and service

Average daily traffic1,500 (2019)
Projected traffic1,575 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$667,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3026 over Walloomsac River built?

It was built in 1840, making it 185 years old in 2025. It was reconstructed in 1991.

What condition is C3026 over Walloomsac River 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 C3026 over Walloomsac River carry?

About 1,500 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3026 over Walloomsac River?

The structure is 86 ft (26.2 m) long with a longest span of 75 ft (22.9 m) and a deck 14 ft wide.

Who owns C3026 over Walloomsac River?

It is owned by the Town or Township Highway Agency.