US Bridges

C3056 over Mid. Br Williams River

Fair

Windsor County, Vermont · 0.07 MI to JCT W VT11 · Structure no. 101407006114071

Built
1974
51 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
10
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3056 over Mid. Br Williams River is a steel stringer/multi-beam or girder carrying C3056 over Mid. Br Williams River in Windsor County, Vermont. It was built in 1974, so it is 51 years old, younger 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.

It carries about 10 vehicles a day, roughly 2% of them trucks, projected to reach 11 by 2029. The structure is 30 ft (9.1 m) long and 15 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesC3056
CrossesMid. Br Williams River
Location0.07 MI to JCT W VT11
CountyWindsor County
StateVermont
Coordinates43.26043, -72.65829
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width15 ft (4.5 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2019)
Projected traffic11 by 2029
Trucks2%
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$204,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3056 over Mid. Br Williams River built?

It was built in 1974, making it 51 years old in 2025.

What condition is C3056 over Mid. Br Williams River 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 October 2023.

How much traffic does C3056 over Mid. Br Williams River carry?

About 10 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3056 over Mid. Br Williams River?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 15 ft wide.

Who owns C3056 over Mid. Br Williams River?

It is owned by the Town or Township Highway Agency.