US Bridges

C3029 over Union Brook

Good

Washington County, Vermont · 0.13 MI to JCT W CL3 TH8 · Structure no. 101213004612131

Built
2003
22 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
33 ft
1 main span
Daily traffic
70
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3029 over Union Brook is a concrete culvert carrying C3029 over Union Brook in Washington County, Vermont. It was built in 2003, so it is 22 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 70 vehicles a day, roughly 1% of them trucks, projected to reach 74 by 2029. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesC3029
CrossesUnion Brook
Location0.13 MI to JCT W CL3 TH8
StateVermont
Coordinates44.15776, -72.67653
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length33 ft (10.1 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2019)
Projected traffic74 by 2029
Trucks1%
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 Union Brook built?

It was built in 2003, making it 22 years old in 2025.

What condition is C3029 over Union 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 2024.

How much traffic does C3029 over Union Brook carry?

About 70 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is C3029 over Union Brook?

The structure is 33 ft (10.1 m) long with a longest span of 28 ft (8.5 m).

Who owns C3029 over Union Brook?

It is owned by the Town or Township Highway Agency.