US Bridges

Vt 0104A Alt over Arrow Head Lake

Good

Franklin County, Vermont · 1.1 MI E Jct. U.S.7 · Structure no. 200023000106082

Built
2020
5 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
94 ft
1 main span
Daily traffic
3,500
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 0104A Alt over Arrow Head Lake is a steel stringer/multi-beam or girder carrying Vt 0104A Alt over Arrow Head Lake in Franklin County, Vermont. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,500 vehicles a day, roughly 3% of them trucks, projected to reach 6,200 by 2041. The structure is 94 ft (28.7 m) long and 31 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesVt 0104A Alt
CrossesArrow Head Lake
Location1.1 MI E Jct. U.S.7
RouteState Highway 104A
StateVermont
Coordinates44.68314, -73.09239
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating48 US tons

Structure

MaterialSteel
DeckOther
Main spans1
Design loadHL 93
Structure length94 ft (28.7 m)
Longest span90 ft (27.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2018)
Projected traffic6,200 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.1 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 0104A Alt over Arrow Head Lake built?

It was built in 2020, making it 5 years old in 2025.

What condition is Vt 0104A Alt over Arrow Head Lake 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 August 2023.

How much traffic does Vt 0104A Alt over Arrow Head Lake carry?

About 3,500 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Vt 0104A Alt over Arrow Head Lake?

The structure is 94 ft (28.7 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.

Who owns Vt 0104A Alt over Arrow Head Lake?

It is owned by the State Highway Agency.