US Bridges

C3057 over Mid. Br Williams River

FairPosted for load

Windsor County, Vermont · 0.1 MI to JCT W VT11 · Structure no. 101407007414071

Built
1939
86 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
40
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3057 over Mid. Br Williams River is a steel stringer/multi-beam or girder carrying C3057 over Mid. Br Williams River in Windsor County, Vermont. It was built in 1939, so it is 86 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 42 by 2029. The structure is 74 ft (22.6 m) long and 14 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesC3057
CrossesMid. Br Williams River
Location0.1 MI to JCT W VT11
CountyWindsor County
StateVermont
Coordinates43.26666, -72.61662
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span72 ft (21.9 m)
Deck width14 ft (4.4 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2019)
Projected traffic42 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$426,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3057 over Mid. Br Williams River built?

It was built in 1939, making it 86 years old in 2025.

What condition is C3057 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 C3057 over Mid. Br Williams River carry?

About 40 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3057 over Mid. Br Williams River?

The structure is 74 ft (22.6 m) long with a longest span of 72 ft (21.9 m) and a deck 14 ft wide.

Who owns C3057 over Mid. Br Williams River?

It is owned by the Town or Township Highway Agency.