US Bridges

C3035 over Mill Brook

FairPosted for load

Franklin County, Vermont · 0.1 MI to JCT Vt 104 · Structure no. 100604002506041

Built
1865
160 years old, rebuilt 1990
Condition
Fair
inspected August 2024
Type
Truss - Thru
Wood or Timber
Length
57 ft
1 main span
Daily traffic
600
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3035 over Mill Brook is a wood or timber truss - thru carrying C3035 over Mill Brook in Franklin County, Vermont. It was built in 1865 and reconstructed in 1990, so it is 160 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 600 vehicles a day, roughly 2% of them trucks, projected to reach 630 by 2029. The structure is 57 ft (17.4 m) long and 17 ft wide.

Location

Open in Google Maps
CarriesC3035
CrossesMill Brook
Location0.1 MI to JCT Vt 104
CountyFranklin County
StateVermont
Coordinates44.66359, -73.01041
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating4 US tons
Inventory rating4 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span45 ft (13.7 m)
Deck width17 ft (5.2 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deck7 ft (2.2 m)

Traffic and service

Average daily traffic600 (2019)
Projected traffic630 by 2029
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$604,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3035 over Mill Brook built?

It was built in 1865, making it 160 years old in 2025. It was reconstructed in 1990.

What condition is C3035 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 August 2024.

How much traffic does C3035 over Mill Brook carry?

About 600 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3035 over Mill Brook?

The structure is 57 ft (17.4 m) long with a longest span of 45 ft (13.7 m) and a deck 17 ft wide.

Who owns C3035 over Mill Brook?

It is owned by the Town or Township Highway Agency.