US Bridges

C3014 over Mill Brook

FairPosted for load

Chittenden County, Vermont · 0.1 MI to JCT W CL2 TH3 · Structure no. 100401000704011

Built
1919
106 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
10
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3014 over Mill Brook is a steel stringer/multi-beam or girder carrying C3014 over Mill Brook in Chittenden County, Vermont. It was built in 1919, so it is 106 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 5 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 11 by 2029. The structure is 37 ft (11.3 m) long and 12 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesC3014
CrossesMill Brook
Location0.1 MI to JCT W CL2 TH3
CountyChittenden County
StateVermont
Coordinates44.44652, -72.89716
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26 US tons
Inventory rating18 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width12 ft (3.7 m)
Roadway width10 ft (3.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2019)
Projected traffic11 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$205,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3014 over Mill Brook built?

It was built in 1919, making it 106 years old in 2025.

What condition is C3014 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 C3014 over Mill Brook carry?

About 10 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3014 over Mill Brook?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 12 ft wide.

Who owns C3014 over Mill Brook?

It is owned by the Town or Township Highway Agency.