US Bridges

C3009 over Chase Brook

Good

Windsor County, Vermont · @ JCT of CL3 TH12 & TH9 · Structure no. 101407005714071

Built
1978
47 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
100
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3009 over Chase Brook is a concrete slab carrying C3009 over Chase Brook in Windsor County, Vermont. It was built in 1978, so it is 47 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 105 by 2029. The structure is 29 ft (8.8 m) long and 15 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesC3009
CrossesChase Brook
Location@ JCT of CL3 TH12 & TH9
StateVermont
Coordinates43.33497, -72.65129
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic105 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 C3009 over Chase Brook built?

It was built in 1978, making it 47 years old in 2025.

What condition is C3009 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 C3009 over Chase Brook carry?

About 100 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3009 over Chase Brook?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 15 ft wide.

Who owns C3009 over Chase Brook?

It is owned by the Town or Township Highway Agency.