US Bridges

Vt 00346 Ml over Brook

Fair

Bennington County, Vermont · 3.6 MI W Jct. U.S.7 · Structure no. 200107000602082

Built
1910
115 years old
Condition
Fair
inspected June 2023
Type
Girder and Floorbeam System
Steel
Length
25 ft
1 main span
Daily traffic
1,300
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00346 Ml over Brook is a steel girder and floorbeam system carrying Vt 00346 Ml over Brook in Bennington County, Vermont. It was built in 1910, so it is 115 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 1,300 vehicles a day, roughly 6% of them trucks, projected to reach 1,365 by 2028. The structure is 25 ft (7.6 m) long and 25 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesVt 00346 Ml
CrossesBrook
Location3.6 MI W Jct. U.S.7
RouteState Highway 346
CountyBennington County
StateVermont
Coordinates42.80546, -73.26708
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating28 US tons
Inventory rating17 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2018)
Projected traffic1,365 by 2028
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$577,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00346 Ml over Brook built?

It was built in 1910, making it 115 years old in 2025.

What condition is Vt 00346 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 June 2023.

How much traffic does Vt 00346 Ml over Brook carry?

About 1,300 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Vt 00346 Ml over Brook?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 25 ft wide.

Who owns Vt 00346 Ml over Brook?

It is owned by the State Highway Agency.