US Bridges

C3021 over Hall Brook

Good

Windham County, Vermont · 0.03 MI to JCT W C3 TH19 · Structure no. 101306004513061

Built
2011
14 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
50
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3021 over Hall Brook is a prestressed concrete slab carrying C3021 over Hall Brook in Windham County, Vermont. It was built in 2011, so it is 14 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 53 by 2029. The structure is 54 ft (16.5 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesC3021
CrossesHall Brook
Location0.03 MI to JCT W C3 TH19
StateVermont
Coordinates43.22847, -72.57621
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating81 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length54 ft (16.5 m)
Longest span52 ft (15.8 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic53 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-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 C3021 over Hall Brook built?

It was built in 2011, making it 14 years old in 2025.

What condition is C3021 over Hall 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 October 2024.

How much traffic does C3021 over Hall Brook carry?

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

How long is C3021 over Hall Brook?

The structure is 54 ft (16.5 m) long with a longest span of 52 ft (15.8 m) and a deck 20 ft wide.

Who owns C3021 over Hall Brook?

It is owned by the Town or Township Highway Agency.