US Bridges

C4025 over West Hill Brook

FairPosted for load

Franklin County, Vermont · 0.1 MI to JCT C3 TH 12 · Structure no. 100610003206101

Built
1883
142 years old, rebuilt 2009
Condition
Fair
inspected August 2024
Type
Truss - Thru
Wood or Timber
Length
58 ft
1 main span
Daily traffic
30
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C4025 over West Hill Brook is a wood or timber truss - thru carrying C4025 over West Hill Brook in Franklin County, Vermont. It was built in 1883 and reconstructed in 2009, so it is 142 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 30 vehicles a day, roughly 9% of them trucks, projected to reach 32 by 2029. The structure is 58 ft (17.7 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesC4025
CrossesWest Hill Brook
Location0.1 MI to JCT C3 TH 12
StateVermont
Coordinates44.86768, -72.64795
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating13 US tons
Inventory rating10 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadOther
Structure length58 ft (17.7 m)
Longest span41 ft (12.5 m)
Deck width16 ft (5 m)
Roadway width16 ft (5 m)
Vertical clearance over deck8 ft (2.5 m)

Traffic and service

Average daily traffic30 (2019)
Projected traffic32 by 2029
Trucks9%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$593,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C4025 over West Hill Brook built?

It was built in 1883, making it 142 years old in 2025. It was reconstructed in 2009.

What condition is C4025 over West Hill 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 C4025 over West Hill Brook carry?

About 30 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is C4025 over West Hill Brook?

The structure is 58 ft (17.7 m) long with a longest span of 41 ft (12.5 m) and a deck 16 ft wide.

Who owns C4025 over West Hill Brook?

It is owned by the Town or Township Highway Agency.