US Bridges

Vt 00012 Ml over Dog River

Poor

Washington County, Vermont · 1.1 MI N Jct. VT.12A S · Structure no. 200241006012132

Built
1926
99 years old, rebuilt 1958
Condition
Poor
inspected April 2024
Type
Tee Beam
Concrete
Length
111 ft
3 main spans
Daily traffic
4,200
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Vt 00012 Ml over Dog River is a concrete tee beam carrying Vt 00012 Ml over Dog River in Washington County, Vermont. It was built in 1926 and reconstructed in 1958, so it is 99 years old, older than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,200 vehicles a day, roughly 6% of them trucks, projected to reach 4,410 by 2028. The structure is 111 ft (33.8 m) long and 55 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesVt 00012 Ml
CrossesDog River
Location1.1 MI N Jct. VT.12A S
RouteState Highway 12
StateVermont
Coordinates44.14953, -72.65591
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length111 ft (33.8 m)
Longest span35 ft (10.7 m)
Deck width55 ft (16.7 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2018)
Projected traffic4,410 by 2028
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$2.2 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00012 Ml over Dog River built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1958.

What condition is Vt 00012 Ml over Dog River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Vt 00012 Ml over Dog River carry?

About 4,200 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Vt 00012 Ml over Dog River?

The structure is 111 ft (33.8 m) long with a longest span of 35 ft (10.7 m) and a deck 55 ft wide.

Who owns Vt 00012 Ml over Dog River?

It is owned by the Town or Township Highway Agency.