US Bridges

Alt Vt 00100 Ml over Lamoille River

Good

Lamoille County, Vermont · 1.3 MI S Jct. Vt. 15 · Structure no. 200029215A08072

Built
2014
11 years old
Condition
Good
inspected September 2023
Type
Frame
Steel Continuous
Length
545 ft
3 main spans
Daily traffic
8,800
2018 count
Owner
State
State Highway Agency

About this bridge

Alt Vt 00100 Ml over Lamoille River is a steel continuous frame carrying Alt Vt 00100 Ml over Lamoille River in Lamoille County, Vermont. It was built in 2014, so it is 11 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 8,800 vehicles a day, roughly 9% of them trucks, projected to reach 9,240 by 2028. The structure is 545 ft (166.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAlt Vt 00100 Ml
CrossesLamoille River
Location1.3 MI S Jct. Vt. 15
RouteState Highway 100
CountyLamoille County
StateVermont
Coordinates44.56109, -72.60653
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating52 US tons

Structure

Structure typeFrame
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length545 ft (166.1 m)
Longest span256 ft (78 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2018)
Projected traffic9,240 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Alt Vt 00100 Ml over Lamoille River built?

It was built in 2014, making it 11 years old in 2025.

What condition is Alt Vt 00100 Ml over Lamoille River 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 Alt Vt 00100 Ml over Lamoille River carry?

About 8,800 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Alt Vt 00100 Ml over Lamoille River?

The structure is 545 ft (166.1 m) long with a longest span of 256 ft (78 m) and a deck 42 ft wide.

Who owns Alt Vt 00100 Ml over Lamoille River?

It is owned by the State Highway Agency.