US Bridges

C3051 over Mill Brook

Fair

Windsor County, Vermont · 0.06 MI to JCT W VT106 · Structure no. 101414002914141

Built
1963
62 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
25 ft
1 main span
Daily traffic
40
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3051 over Mill Brook is a steel culvert carrying C3051 over Mill Brook in Windsor County, Vermont. It was built in 1963, so it is 62 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 42 by 2029. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesC3051
CrossesMill Brook
Location0.06 MI to JCT W VT106
CountyWindsor County
StateVermont
Coordinates43.48594, -72.55458
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2019)
Projected traffic42 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$181,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3051 over Mill Brook built?

It was built in 1963, making it 62 years old in 2025.

What condition is C3051 over Mill 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 October 2023.

How much traffic does C3051 over Mill Brook carry?

About 40 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3051 over Mill Brook?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m).

Who owns C3051 over Mill Brook?

It is owned by the Town or Township Highway Agency.