US Bridges

Vt 00100 Ml over Gihon River

Good

Lamoille County, Vermont · 0.5 MI N Jct. VT.100C · Structure no. 200029021708052

Built
1986
39 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
4,100
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00100 Ml over Gihon River is a steel stringer/multi-beam or girder carrying Vt 00100 Ml over Gihon River in Lamoille County, Vermont. It was built in 1986, so it is 39 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 4,100 vehicles a day, roughly 9% of them trucks, projected to reach 4,305 by 2028. The structure is 72 ft (21.9 m) long and 41 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesVt 00100 Ml
CrossesGihon River
Location0.5 MI N Jct. VT.100C
RouteState Highway 100
StateVermont
Coordinates44.67182, -72.59808
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.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than 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 rating87 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length72 ft (21.9 m)
Longest span70 ft (21.3 m)
Deck width41 ft (12.4 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2018)
Projected traffic4,305 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed32.9 mi (53 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

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 00100 Ml over Gihon River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Vt 00100 Ml over Gihon 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 Vt 00100 Ml over Gihon River carry?

About 4,100 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Vt 00100 Ml over Gihon River?

The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 41 ft wide.

Who owns Vt 00100 Ml over Gihon River?

It is owned by the State Highway Agency.