US Bridges

Vt 00012 Ml over North Branch

Fair

Lamoille County, Vermont · 10.6 MI S Jct. VT.15A · Structure no. 200241009108042

Built
1935
90 years old, rebuilt 1964
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
1,100
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00012 Ml over North Branch is a steel stringer/multi-beam or girder carrying Vt 00012 Ml over North Branch in Lamoille County, Vermont. It was built in 1935 and reconstructed in 1964, so it is 90 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 1,100 vehicles a day, roughly 6% of them trucks, projected to reach 1,155 by 2028. The structure is 40 ft (12.2 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesVt 00012 Ml
CrossesNorth Branch
Location10.6 MI S Jct. VT.15A
RouteState Highway 12
CountyLamoille County
StateVermont
Coordinates44.45899, -72.54601
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2018)
Projected traffic1,155 by 2028
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$520,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00012 Ml over North Branch built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1964.

What condition is Vt 00012 Ml over North Branch 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 August 2023.

How much traffic does Vt 00012 Ml over North Branch carry?

About 1,100 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Vt 00012 Ml over North Branch?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 33 ft wide.

Who owns Vt 00012 Ml over North Branch?

It is owned by the State Highway Agency.