US Bridges

Vt 0002A Alt over Winooski River

Fair

Chittenden County, Vermont · 2.2 MI N Jct. U.S.2 · Structure no. 205500000804172

Built
1987
38 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
231 ft
2 main spans
Daily traffic
17,100
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Vt 0002A Alt over Winooski River is a steel continuous stringer/multi-beam or girder carrying Vt 0002A Alt over Winooski River in Chittenden County, Vermont. It was built in 1987, so it is 38 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 17,100 vehicles a day, roughly 11% of them trucks, projected to reach 17,955 by 2028. The structure is 231 ft (70.4 m) long and 52 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesVt 0002A Alt
CrossesWinooski River
Location2.2 MI N Jct. U.S.2
RouteState Highway 2A
StateVermont
Coordinates44.48129, -73.11535
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating51 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length231 ft (70.4 m)
Longest span113 ft (34.4 m)
Deck width52 ft (15.9 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,100 (2018)
Projected traffic17,955 by 2028
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

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 Vt 0002A Alt over Winooski River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Vt 0002A Alt 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 May 2023.

How much traffic does Vt 0002A Alt over Winooski River carry?

About 17,100 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is Vt 0002A Alt over Winooski River?

The structure is 231 ft (70.4 m) long with a longest span of 113 ft (34.4 m) and a deck 52 ft wide.

Who owns Vt 0002A Alt over Winooski River?

It is owned by the Town or Township Highway Agency.