US Bridges

C3002 over Mill Brook

Good

Essex County, Vermont · 1.38 MI to JCT W VT102 · Structure no. 100503000105031

Built
1988
37 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
20
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3002 over Mill Brook is a concrete slab carrying C3002 over Mill Brook in Essex County, Vermont. It was built in 1988, so it is 37 years old, younger than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, roughly 2% of them trucks, projected to reach 21 by 2029. The structure is 26 ft (7.9 m) long and 17 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesC3002
CrossesMill Brook
Location1.38 MI to JCT W VT102
StateVermont
Coordinates44.79603, -71.60712
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic21 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C3002 over Mill Brook built?

It was built in 1988, making it 37 years old in 2025.

What condition is C3002 over Mill Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does C3002 over Mill Brook carry?

About 20 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3002 over Mill Brook?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 17 ft wide.

Who owns C3002 over Mill Brook?

It is owned by the Town or Township Highway Agency.