US Bridges

C3031 over Lilliesville Brook

Good

Windsor County, Vermont · 0.8 MI JCT TH 31 + TH 43 · Structure no. 101404003414041

Built
1996
29 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
100
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3031 over Lilliesville Brook is a concrete slab carrying C3031 over Lilliesville Brook in Windsor County, Vermont. It was built in 1996, so it is 29 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 105 by 2029. The structure is 37 ft (11.3 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesC3031
CrossesLilliesville Brook
Location0.8 MI JCT TH 31 + TH 43
StateVermont
Coordinates43.80136, -72.68389
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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating57 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic105 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Lilliesville Brook built?

It was built in 1996, making it 29 years old in 2025.

What condition is C3031 over Lilliesville Brook 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 November 2023.

How much traffic does C3031 over Lilliesville Brook carry?

About 100 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3031 over Lilliesville Brook?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 23 ft wide.

Who owns C3031 over Lilliesville Brook?

It is owned by the Town or Township Highway Agency.