US Bridges

C3025 over Union Brook

FairPosted for load

Washington County, Vermont · 0.15 MI to JCT W CL3 TH8 · Structure no. 101213004512131

Built
1949
76 years old, rebuilt 1994
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
200
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3025 over Union Brook is a concrete slab carrying C3025 over Union Brook in Washington County, Vermont. It was built in 1949 and reconstructed in 1994, so it is 76 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 6 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 200 vehicles a day, roughly 2% of them trucks, projected to reach 210 by 2029. The structure is 28 ft (8.5 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesC3025
CrossesUnion Brook
Location0.15 MI to JCT W CL3 TH8
CountyWashington County
StateVermont
Coordinates44.16356, -72.68222
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating29 US tons
Inventory rating17 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width26 ft (8 m)
Roadway width23 ft (7.1 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 closed8.7 mi (14 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$306,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3025 over Union Brook built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1994.

What condition is C3025 over Union Brook 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 August 2024.

How much traffic does C3025 over Union Brook carry?

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

How long is C3025 over Union Brook?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns C3025 over Union Brook?

It is owned by the Town or Township Highway Agency.