US Bridges

C3012 over Chase Brook

Good

Windsor County, Vermont · 0.2 MI to JCT W CL3 TH9 · Structure no. 101407005014071

Built
1977
48 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
20
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3012 over Chase Brook is a concrete slab carrying C3012 over Chase Brook in Windsor County, Vermont. It was built in 1977, so it is 48 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 7 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 34 ft (10.4 m) long and 17 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesC3012
CrossesChase Brook
Location0.2 MI to JCT W CL3 TH9
StateVermont
Coordinates43.33375, -72.65233
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic21 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$258,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3012 over Chase Brook built?

It was built in 1977, making it 48 years old in 2025.

What condition is C3012 over Chase 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 2023.

How much traffic does C3012 over Chase Brook carry?

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

How long is C3012 over Chase Brook?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 17 ft wide.

Who owns C3012 over Chase Brook?

It is owned by the Town or Township Highway Agency.