US Bridges

C3040 over Brook

Fair

Lamoille County, Vermont · 0.1 MI to JCT W CL2 TH6 · Structure no. 100807003008071

Built
1959
66 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
150
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3040 over Brook is a steel culvert carrying C3040 over Brook in Lamoille County, Vermont. It was built in 1959, so it is 66 years old, older 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.

It carries about 150 vehicles a day, roughly 2% of them trucks, projected to reach 158 by 2029. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesC3040
CrossesBrook
Location0.1 MI to JCT W CL2 TH6
CountyLamoille County
StateVermont
Coordinates44.54113, -72.58866
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2019)
Projected traffic158 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$225,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3040 over Brook built?

It was built in 1959, making it 66 years old in 2025.

What condition is C3040 over 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 August 2023.

How much traffic does C3040 over Brook carry?

About 150 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3040 over Brook?

The structure is 20 ft (6.1 m) long with a longest span of 9 ft (2.7 m).

Who owns C3040 over Brook?

It is owned by the Town or Township Highway Agency.