US Bridges

Vt 00100 Ml over Brook

FairPosted for load

Washington County, Vermont · 2.5 MI N Jct. VT.17 · Structure no. 200013018112162

Built
1940
85 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
6,400
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00100 Ml over Brook is a concrete slab carrying Vt 00100 Ml over Brook in Washington County, Vermont. It was built in 1940, so it is 85 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. Its operating status is: posted for load restriction.

It carries about 6,400 vehicles a day, roughly 9% of them trucks, projected to reach 6,720 by 2028. The structure is 25 ft (7.6 m) long and 27 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

Location

Open in Google Maps
CarriesVt 00100 Ml
CrossesBrook
Location2.5 MI N Jct. VT.17
RouteState Highway 100
CountyWashington County
StateVermont
Coordinates44.20424, -72.80894
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2018)
Projected traffic6,720 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$609,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00100 Ml over Brook built?

It was built in 1940, making it 85 years old in 2025.

What condition is Vt 00100 Ml over Brook 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 September 2023.

How much traffic does Vt 00100 Ml over Brook carry?

About 6,400 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Vt 00100 Ml over Brook?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 27 ft wide.

Who owns Vt 00100 Ml over Brook?

It is owned by the State Highway Agency.