US Bridges

C3075 over Happy Valley Brook

Fair

Windsor County, Vermont · 0.2 MI JCT TH 75 + Vt 4 · Structure no. 101424004114241

Built
1996
29 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
75
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3075 over Happy Valley Brook is a prestressed concrete slab carrying C3075 over Happy Valley Brook in Windsor County, Vermont. It was built in 1996, so it is 29 years old, younger than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 75 vehicles a day, roughly 2% of them trucks, projected to reach 79 by 2029. The structure is 41 ft (12.5 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesC3075
CrossesHappy Valley Brook
Location0.2 MI JCT TH 75 + Vt 4
CountyWindsor County
StateVermont
Coordinates43.62894, -72.4707
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span37 ft (11.3 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2019)
Projected traffic79 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 C3075 over Happy Valley Brook built?

It was built in 1996, making it 29 years old in 2025.

What condition is C3075 over Happy Valley Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does C3075 over Happy Valley Brook carry?

About 75 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3075 over Happy Valley Brook?

The structure is 41 ft (12.5 m) long with a longest span of 37 ft (11.3 m) and a deck 20 ft wide.

Who owns C3075 over Happy Valley Brook?

It is owned by the Town or Township Highway Agency.