US Bridges

C3060 over Sterling Brook

Good

Lamoille County, Vermont · 0.35 MI to JCT W CL2 TH5 · Structure no. 100807003808071

Built
1983
42 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete
Length
45 ft
1 main span
Daily traffic
350
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3060 over Sterling Brook is a concrete slab carrying C3060 over Sterling Brook in Lamoille County, Vermont. It was built in 1983, so it is 42 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 350 vehicles a day, roughly 2% of them trucks, projected to reach 368 by 2029. The structure is 45 ft (13.7 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesC3060
CrossesSterling Brook
Location0.35 MI to JCT W CL2 TH5
StateVermont
Coordinates44.5074, -72.65801
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 protection7 GoodSome minor problems.
Last inspectionAugust 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span43 ft (13.1 m)
Deck width26 ft (7.8 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2019)
Projected traffic368 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 C3060 over Sterling Brook built?

It was built in 1983, making it 42 years old in 2025.

What condition is C3060 over Sterling 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 August 2023.

How much traffic does C3060 over Sterling Brook carry?

About 350 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3060 over Sterling Brook?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 26 ft wide.

Who owns C3060 over Sterling Brook?

It is owned by the Town or Township Highway Agency.