US Bridges

C3031 over Lucas Brook

FairPosted for load

Franklin County, Vermont · At JCT W CL3 TH40 · Structure no. 100611000506111

Built
1968
57 years old
Condition
Fair
inspected July 2024
Type
Channel Beam
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
200
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3031 over Lucas Brook is a prestressed concrete channel beam carrying C3031 over Lucas Brook in Franklin County, Vermont. It was built in 1968, so it is 57 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 200 vehicles a day, roughly 2% of them trucks, projected to reach 210 by 2029. The structure is 45 ft (13.7 m) long and 29 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesC3031
CrossesLucas Brook
LocationAt JCT W CL3 TH40
CountyFranklin County
StateVermont
Coordinates45.00994, -72.5865
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 alignment7: Better than present minimum criteria
Operating rating33 US tons
Inventory rating31 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2019)
Projected traffic210 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 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 Lucas Brook built?

It was built in 1968, making it 57 years old in 2025.

What condition is C3031 over Lucas Brook 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 July 2024.

How much traffic does C3031 over Lucas Brook carry?

About 200 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3031 over Lucas Brook?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 29 ft wide.

Who owns C3031 over Lucas Brook?

It is owned by the Town or Township Highway Agency.