US Bridges

C3027 over Great Brook

Good

Windsor County, Vermont · 0.07 MI to JCT W VT10 · Structure no. 101407006414071

Built
1991
34 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
300
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3027 over Great Brook is a concrete slab carrying C3027 over Great Brook in Windsor County, Vermont. It was built in 1991, so it is 34 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 315 by 2029. The structure is 35 ft (10.7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesC3027
CrossesGreat Brook
Location0.07 MI to JCT W VT10
CountyWindsor County
StateVermont
Coordinates43.33608, -72.557
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 protection7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2019)
Projected traffic315 by 2029
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$365,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3027 over Great Brook built?

It was built in 1991, making it 34 years old in 2025.

What condition is C3027 over Great 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 C3027 over Great Brook carry?

About 300 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is C3027 over Great Brook?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 26 ft wide.

Who owns C3027 over Great Brook?

It is owned by the Town or Township Highway Agency.