US Bridges

Vt 00109 Ml over N. Branch Lamoille R

Fair

Lamoille County, Vermont · 6.5 MI W Jct. VT.118 · Structure no. 200282000708012

Built
1939
86 years old, rebuilt 1968
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
910
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00109 Ml over N. Branch Lamoille R is a steel stringer/multi-beam or girder carrying Vt 00109 Ml over N. Branch Lamoille R in Lamoille County, Vermont. It was built in 1939 and reconstructed in 1968, so it is 86 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 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 910 vehicles a day, roughly 6% of them trucks, projected to reach 956 by 2028. The structure is 84 ft (25.6 m) long and 33 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesVt 00109 Ml
CrossesN. Branch Lamoille R
Location6.5 MI W Jct. VT.118
RouteState Highway 109
StateVermont
Coordinates44.73791, -72.74051
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
Deck7 GoodSome minor problems.
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 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 rating99 US tons
Inventory rating61.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span82 ft (25 m)
Deck width33 ft (10.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic910 (2018)
Projected traffic956 by 2028
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Vt 00109 Ml over N. Branch Lamoille R built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1968.

What condition is Vt 00109 Ml over N. Branch Lamoille R 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 00109 Ml over N. Branch Lamoille R carry?

About 910 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Vt 00109 Ml over N. Branch Lamoille R?

The structure is 84 ft (25.6 m) long with a longest span of 82 ft (25 m) and a deck 33 ft wide.

Who owns Vt 00109 Ml over N. Branch Lamoille R?

It is owned by the State Highway Agency.