US Bridges

C3057 over Mid. Br Williams River

Good

Windsor County, Vermont · At JCT Vt 11 & TH 57 · Structure no. 101407006914071

Built
1984
41 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
20
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3057 over Mid. Br Williams River is a prestressed concrete slab carrying C3057 over Mid. Br Williams River in Windsor County, Vermont. It was built in 1984, so it is 41 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 21 by 2029. The structure is 46 ft (14 m) long and 16 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
LocationAt JCT Vt 11 & TH 57
CountyWindsor County
StateVermont
Coordinates43.2635, -72.63358
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating74 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic21 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$308,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3057 over Mid. Br Williams River built?

It was built in 1984, making it 41 years old in 2025.

What condition is C3057 over Mid. Br Williams River 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 October 2023.

How much traffic does C3057 over Mid. Br Williams River carry?

About 20 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3057 over Mid. Br Williams River?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 16 ft wide.

Who owns C3057 over Mid. Br Williams River?

It is owned by the Town or Township Highway Agency.