US Bridges

Vt 00100 Ml over West River

Fair

Windham County, Vermont · 2.9 MI S Jct. VT.11 W · Structure no. 200013009013102

Built
1936
89 years old, rebuilt 1972
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
171 ft
2 main spans
Daily traffic
2,000
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00100 Ml over West River is a steel stringer/multi-beam or girder carrying Vt 00100 Ml over West River in Windham County, Vermont. It was built in 1936 and reconstructed in 1972, so it is 89 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 5 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 2,000 vehicles a day, roughly 9% of them trucks, projected to reach 2,100 by 2028. The structure is 171 ft (52.1 m) long and 38 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesVt 00100 Ml
CrossesWest River
Location2.9 MI S Jct. VT.11 W
RouteState Highway 100
StateVermont
Coordinates43.1925, -72.81521
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length171 ft (52.1 m)
Longest span84 ft (25.6 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2018)
Projected traffic2,100 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00100 Ml over West River built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1972.

What condition is Vt 00100 Ml over West 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 June 2023.

How much traffic does Vt 00100 Ml over West River carry?

About 2,000 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Vt 00100 Ml over West River?

The structure is 171 ft (52.1 m) long with a longest span of 84 ft (25.6 m) and a deck 38 ft wide.

Who owns Vt 00100 Ml over West River?

It is owned by the State Highway Agency.