US Bridges

US 00007 Ml over Walloomsac River

Fair

Bennington County, Vermont · 0.2 MI N Jct. VT.9 · Structure no. 201000001002022

Built
1936
89 years old, rebuilt 2000
Condition
Fair
inspected May 2023
Type
Girder and Floorbeam System
Steel
Length
53 ft
1 main span
Daily traffic
8,000
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

US 00007 Ml over Walloomsac River is a steel girder and floorbeam system carrying US 00007 Ml over Walloomsac River in Bennington County, Vermont. It was built in 1936 and reconstructed in 2000, 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 6 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 8,000 vehicles a day, roughly 7% of them trucks, projected to reach 8,400 by 2028. The structure is 53 ft (16.2 m) long and 34 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesUS 00007 Ml
CrossesWalloomsac River
Location0.2 MI N Jct. VT.9
RouteU.S. Route 7
StateVermont
Coordinates42.8809, -73.19703
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2018)
Projected traffic8,400 by 2028
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$677,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 00007 Ml over Walloomsac River built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2000.

What condition is US 00007 Ml over Walloomsac 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 May 2023.

How much traffic does US 00007 Ml over Walloomsac River carry?

About 8,000 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is US 00007 Ml over Walloomsac River?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.

Who owns US 00007 Ml over Walloomsac River?

It is owned by the City or Municipal Highway Agency.