US Bridges

Vt 00011 Ml over Mid. Br Williams River

Good

Windsor County, Vermont · 2.0 MI E JCT Vt 121 · Structure no. 200016003514012

Built
1929
96 years old, rebuilt 1999
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
3,100
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00011 Ml over Mid. Br Williams River is a concrete slab carrying Vt 00011 Ml over Mid. Br Williams River in Windsor County, Vermont. It was built in 1929 and reconstructed in 1999, so it is 96 years old, older 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 3,100 vehicles a day, roughly 9% of them trucks, projected to reach 3,255 by 2028. The structure is 28 ft (8.5 m) long and 32 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesVt 00011 Ml
CrossesMid. Br Williams River
Location2.0 MI E JCT Vt 121
RouteState Highway 11
StateVermont
Coordinates43.24392, -72.72327
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2018)
Projected traffic3,255 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$361,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00011 Ml over Mid. Br Williams River built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1999.

What condition is Vt 00011 Ml 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 June 2023.

How much traffic does Vt 00011 Ml over Mid. Br Williams River carry?

About 3,100 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Vt 00011 Ml over Mid. Br Williams River?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns Vt 00011 Ml over Mid. Br Williams River?

It is owned by the State Highway Agency.