US Bridges

C3046 over Branch Brook

Good

Windham County, Vermont · 0.07 MI to JCT W CL2 TH1 · Structure no. 101308003513081

Built
1999
26 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
30
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3046 over Branch Brook is a concrete slab carrying C3046 over Branch Brook in Windham County, Vermont. It was built in 1999, so it is 26 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, roughly 1% of them trucks, projected to reach 32 by 2029. The structure is 27 ft (8.2 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC3046
CrossesBranch Brook
Location0.07 MI to JCT W CL2 TH1
StateVermont
Coordinates42.78176, -72.76978
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating75 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2019)
Projected traffic32 by 2029
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C3046 over Branch Brook built?

It was built in 1999, making it 26 years old in 2025.

What condition is C3046 over Branch 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 July 2024.

How much traffic does C3046 over Branch Brook carry?

About 30 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is C3046 over Branch Brook?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns C3046 over Branch Brook?

It is owned by the Town or Township Highway Agency.