US Bridges

Vt 0012A Alt over Bull Run Brook

Fair

Washington County, Vermont · 1.4 MI S Jct. VT.12 N · Structure no. 200187003512132

Built
1929
96 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
2,700
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 0012A Alt over Bull Run Brook is a concrete tee beam carrying Vt 0012A Alt over Bull Run Brook in Washington County, Vermont. It was built in 1929, so it is 96 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 2,700 vehicles a day, roughly 6% of them trucks, projected to reach 2,835 by 2028. The structure is 34 ft (10.4 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesVt 0012A Alt
CrossesBull Run Brook
Location1.4 MI S Jct. VT.12 N
RouteState Highway 12A
CountyWashington County
StateVermont
Coordinates44.11735, -72.67252
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2018)
Projected traffic2,835 by 2028
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$330,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 0012A Alt over Bull Run Brook built?

It was built in 1929, making it 96 years old in 2025.

What condition is Vt 0012A Alt over Bull Run 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 0012A Alt over Bull Run Brook carry?

About 2,700 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Vt 0012A Alt over Bull Run Brook?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 24 ft wide.

Who owns Vt 0012A Alt over Bull Run Brook?

It is owned by the State Highway Agency.