US Bridges

C3031 over Lamoille River

Good

Caledonia County, Vermont · 0.05 MI JCT TH 31 + VT16 · Structure no. 100305002903051

Built
2002
23 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
81 ft
1 main span
Daily traffic
90
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3031 over Lamoille River is a prestressed concrete box beam or girders - multiple carrying C3031 over Lamoille River in Caledonia County, Vermont. It was built in 2002, so it is 23 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 90 vehicles a day, roughly 2% of them trucks, projected to reach 95 by 2029. The structure is 81 ft (24.7 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesC3031
CrossesLamoille River
Location0.05 MI JCT TH 31 + VT16
StateVermont
Coordinates44.50547, -72.3185
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating49.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length81 ft (24.7 m)
Longest span79 ft (24.1 m)
Deck width18 ft (5.5 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2019)
Projected traffic95 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C3031 over Lamoille River built?

It was built in 2002, making it 23 years old in 2025.

What condition is C3031 over Lamoille 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 October 2023.

How much traffic does C3031 over Lamoille River carry?

About 90 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3031 over Lamoille River?

The structure is 81 ft (24.7 m) long with a longest span of 79 ft (24.1 m) and a deck 18 ft wide.

Who owns C3031 over Lamoille River?

It is owned by the Town or Township Highway Agency.