US Bridges

C3076 over Smith Brook

Fair

Windham County, Vermont · 0.08 MI to JCT W VT.30 · Structure no. 101312006413121

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
520
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3076 over Smith Brook is a prestressed concrete slab carrying C3076 over Smith Brook in Windham County, Vermont. It was built in 1984, so it is 41 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 520 vehicles a day, roughly 2% of them trucks, projected to reach 546 by 2029. The structure is 42 ft (12.8 m) long and 25 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesC3076
CrossesSmith Brook
Location0.08 MI to JCT W VT.30
CountyWindham County
StateVermont
Coordinates42.98249, -72.65742
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
ScourUnknown foundation; not evaluated for scour
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 rating94 US tons
Inventory rating56 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2019)
Projected traffic546 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$418,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3076 over Smith Brook built?

It was built in 1984, making it 41 years old in 2025.

What condition is C3076 over Smith 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 C3076 over Smith Brook carry?

About 520 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3076 over Smith Brook?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns C3076 over Smith Brook?

It is owned by the Town or Township Highway Agency.