US Bridges

C3009 over Winooski River

Fair

Washington County, Vermont · 0.1 MI to JCT W US2 · Structure no. 101209000212091

Built
1930
95 years old, rebuilt 2022
Condition
Fair
inspected September 2023
Type
Slab
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
100
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3009 over Winooski River is a prestressed concrete slab carrying C3009 over Winooski River in Washington County, Vermont. It was built in 1930 and reconstructed in 2022, so it is 95 years old, older 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 105 by 2029. The structure is 54 ft (16.5 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC3009
CrossesWinooski River
Location0.1 MI to JCT W US2
StateVermont
Coordinates44.34984, -72.35381
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length54 ft (16.5 m)
Longest span51 ft (15.5 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic105 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Winooski River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2022.

What condition is C3009 over Winooski River 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 2023.

How much traffic does C3009 over Winooski River carry?

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

How long is C3009 over Winooski River?

The structure is 54 ft (16.5 m) long with a longest span of 51 ft (15.5 m) and a deck 28 ft wide.

Who owns C3009 over Winooski River?

It is owned by the Town or Township Highway Agency.