US Bridges

Vt 00109 Ml over N. Branch Lamoille R

Fair

Lamoille County, Vermont · 3.5 MI E Jct. VT.108 · Structure no. 200282000308022

Built
1934
91 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
1,500
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 1934, so it is 91 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 5 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 1,500 vehicles a day, roughly 6% of them trucks, projected to reach 1,575 by 2028. The structure is 74 ft (22.6 m) long and 23 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesVt 00109 Ml
CrossesN. Branch Lamoille R
Location3.5 MI E Jct. VT.108
RouteState Highway 109
CountyLamoille County
StateVermont
Coordinates44.68238, -72.77682
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length74 ft (22.6 m)
Longest span72 ft (21.9 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2018)
Projected traffic1,575 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$654,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00109 Ml over N. Branch Lamoille R built?

It was built in 1934, making it 91 years old in 2025.

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 1,500 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 74 ft (22.6 m) long with a longest span of 72 ft (21.9 m) and a deck 23 ft wide.

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

It is owned by the State Highway Agency.