US Bridges

C3029 over Great Brook

Good

Washington County, Vermont · 3.4 Miles South of TH1 · Structure no. 101214002612141

Built
1981
44 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
20
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3029 over Great Brook is a concrete slab carrying C3029 over Great Brook in Washington County, Vermont. It was built in 1981, so it is 44 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 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 21 by 2029. The structure is 26 ft (7.9 m) long and 21 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesC3029
CrossesGreat Brook
Location3.4 Miles South of TH1
CountyWashington County
StateVermont
Coordinates44.23618, -72.40736
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic21 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 C3029 over Great Brook built?

It was built in 1981, making it 44 years old in 2025.

What condition is C3029 over Great 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 August 2023.

How much traffic does C3029 over Great Brook carry?

About 20 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3029 over Great Brook?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 21 ft wide.

Who owns C3029 over Great Brook?

It is owned by the Town or Township Highway Agency.