US Bridges

C3037 over Mill Brook

FairPosted for load

Windsor County, Vermont · 0.06 MI to JCT W VT44 · Structure no. 101422003414221

Built
1890
135 years old
Condition
Fair
inspected September 2023
Type
Arch - Thru
Wood or Timber
Length
37 ft
1 main span
Daily traffic
50
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3037 over Mill Brook is a wood or timber arch - thru carrying C3037 over Mill Brook in Windsor County, Vermont. It was built in 1890, so it is 135 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 53 by 2029. The structure is 37 ft (11.3 m) long and 12 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesC3037
CrossesMill Brook
Location0.06 MI to JCT W VT44
CountyWindsor County
StateVermont
Coordinates43.45515, -72.51632
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating6 US tons
Inventory rating6 US tons

Structure

Structure typeArch - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span32 ft (9.8 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deck10 ft (3.2 m)

Traffic and service

Average daily traffic50 (2019)
Projected traffic53 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
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$394,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3037 over Mill Brook built?

It was built in 1890, making it 135 years old in 2025.

What condition is C3037 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 September 2023.

How much traffic does C3037 over Mill Brook carry?

About 50 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3037 over Mill Brook?

The structure is 37 ft (11.3 m) long with a longest span of 32 ft (9.8 m) and a deck 12 ft wide.

Who owns C3037 over Mill Brook?

It is owned by the Town or Township Highway Agency.