US Bridges

Vt 00100 Ml over Lamoille River

Fair

Lamoille County, Vermont · 1.0 MI S Jct. VT.15 · Structure no. 200029021508072

Built
2009
16 years old
Condition
Fair
inspected September 2023
Type
Truss - Thru
Steel
Length
128 ft
1 main span
Daily traffic
7,900
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Vt 00100 Ml over Lamoille River is a steel truss - thru carrying Vt 00100 Ml over Lamoille River in Lamoille County, Vermont. It was built in 2009, so it is 16 years old, younger 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 6 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 7,900 vehicles a day, roughly 9% of them trucks, projected to reach 8,295 by 2028. The structure is 128 ft (39 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesVt 00100 Ml
CrossesLamoille River
Location1.0 MI S Jct. VT.15
RouteState Highway 100
StateVermont
Coordinates44.5636, -72.60049
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating42 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length128 ft (39 m)
Longest span124 ft (37.8 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2018)
Projected traffic8,295 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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$1.2 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00100 Ml over Lamoille River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Vt 00100 Ml over Lamoille River 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 September 2023.

How much traffic does Vt 00100 Ml over Lamoille River carry?

About 7,900 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Vt 00100 Ml over Lamoille River?

The structure is 128 ft (39 m) long with a longest span of 124 ft (37.8 m) and a deck 27 ft wide.

Who owns Vt 00100 Ml over Lamoille River?

It is owned by the Town or Township Highway Agency.