US Bridges

C3027 over Winooski River

Fair

Washington County, Vermont · 0.07 MI to JCT W US2 · Structure no. 101209001012091

Built
1919
106 years old, rebuilt 1975
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
100
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3027 over Winooski River is a steel stringer/multi-beam or girder carrying C3027 over Winooski River in Washington County, Vermont. It was built in 1919 and reconstructed in 1975, so it is 106 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 66 ft (20.1 m) long and 14 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesC3027
CrossesWinooski River
Location0.07 MI to JCT W US2
CountyWashington County
StateVermont
Coordinates44.35111, -72.34939
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 rating50 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length66 ft (20.1 m)
Longest span62 ft (18.9 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic105 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$378,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3027 over Winooski River built?

It was built in 1919, making it 106 years old in 2025. It was reconstructed in 1975.

What condition is C3027 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 C3027 over Winooski River carry?

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

How long is C3027 over Winooski River?

The structure is 66 ft (20.1 m) long with a longest span of 62 ft (18.9 m) and a deck 14 ft wide.

Who owns C3027 over Winooski River?

It is owned by the Town or Township Highway Agency.