US Bridges

C3055 over Plumbs Brook

Good

Windham County, Vermont · 0.1 MI JCT TH55 & VT100 · Structure no. 101321001713211

Built
1939
86 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Concrete
Length
49 ft
1 main span
Daily traffic
200
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3055 over Plumbs Brook is a concrete tee beam carrying C3055 over Plumbs Brook in Windham County, Vermont. It was built in 1939, so it is 86 years old, older than the Vermont average of 60.8 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 200 vehicles a day, roughly 2% of them trucks, projected to reach 210 by 2029. The structure is 49 ft (14.9 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesC3055
CrossesPlumbs Brook
Location0.1 MI JCT TH55 & VT100
StateVermont
Coordinates42.78641, -72.87582
Functional classRural 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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length49 ft (14.9 m)
Longest span46 ft (14 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2019)
Projected traffic210 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$451,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3055 over Plumbs Brook built?

It was built in 1939, making it 86 years old in 2025.

What condition is C3055 over Plumbs 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 October 2023.

How much traffic does C3055 over Plumbs Brook carry?

About 200 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3055 over Plumbs Brook?

The structure is 49 ft (14.9 m) long with a longest span of 46 ft (14 m) and a deck 23 ft wide.

Who owns C3055 over Plumbs Brook?

It is owned by the Town or Township Highway Agency.