US Bridges

C3031 over West Br. Passumpsic Riv.

Good

Caledonia County, Vermont · 0.2 MI JCT TH 31 + US 5 · Structure no. 100302003503021

Built
2021
4 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
390
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3031 over West Br. Passumpsic Riv. is a prestressed concrete slab carrying C3031 over West Br. Passumpsic Riv. in Caledonia County, Vermont. It was built in 2021, so it is 4 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 390 vehicles a day, roughly 7% of them trucks, projected to reach 430 by 2038. The structure is 47 ft (14.3 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesC3031
CrossesWest Br. Passumpsic Riv.
Location0.2 MI JCT TH 31 + US 5
StateVermont
Coordinates44.62872, -71.96676
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length47 ft (14.3 m)
Longest span46 ft (14 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2018)
Projected traffic430 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C3031 over West Br. Passumpsic Riv. built?

It was built in 2021, making it 4 years old in 2025.

What condition is C3031 over West Br. Passumpsic Riv. 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 2024.

How much traffic does C3031 over West Br. Passumpsic Riv. carry?

About 390 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is C3031 over West Br. Passumpsic Riv.?

The structure is 47 ft (14.3 m) long with a longest span of 46 ft (14 m) and a deck 24 ft wide.

Who owns C3031 over West Br. Passumpsic Riv.?

It is owned by the Town or Township Highway Agency.