US Bridges

Vt 00012 Ml over Ayers Brook

Good

Orange County, Vermont · 0.7 MI N Jct. VT.12A N · Structure no. 200241004309092

Built
1976
49 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
32 ft
1 main span
Daily traffic
1,600
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Vt 00012 Ml over Ayers Brook is a concrete continuous culvert carrying Vt 00012 Ml over Ayers Brook in Orange County, Vermont. It was built in 1976, so it is 49 years old, younger than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,600 vehicles a day, roughly 6% of them trucks, projected to reach 1,680 by 2028. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesVt 00012 Ml
CrossesAyers Brook
Location0.7 MI N Jct. VT.12A N
RouteState Highway 12
StateVermont
Coordinates43.93397, -72.65767
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2018)
Projected traffic1,680 by 2028
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00012 Ml over Ayers Brook built?

It was built in 1976, making it 49 years old in 2025.

What condition is Vt 00012 Ml over Ayers Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Vt 00012 Ml over Ayers Brook carry?

About 1,600 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Vt 00012 Ml over Ayers Brook?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m).

Who owns Vt 00012 Ml over Ayers Brook?

It is owned by the Town or Township Highway Agency.