US Bridges

C2004 over Winooski River

Good

Washington County, Vermont · 0.01 MI to JCT W CL2 TH1 · Structure no. 101218003112181

Built
1928
97 years old, rebuilt 1997
Condition
Good
inspected September 2023
Type
Truss - Thru
Steel
Length
207 ft
1 main span
Daily traffic
850
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C2004 over Winooski River is a steel truss - thru carrying C2004 over Winooski River in Washington County, Vermont. It was built in 1928 and reconstructed in 1997, so it is 97 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 850 vehicles a day, roughly 3% of them trucks, projected to reach 893 by 2029. The structure is 207 ft (63.1 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesC2004
CrossesWinooski River
Location0.01 MI to JCT W CL2 TH1
StateVermont
Coordinates44.33727, -72.76405
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating23 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length207 ft (63.1 m)
Longest span202 ft (61.6 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic850 (2019)
Projected traffic893 by 2029
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.6 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C2004 over Winooski River built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1997.

What condition is C2004 over Winooski River 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 September 2023.

How much traffic does C2004 over Winooski River carry?

About 850 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is C2004 over Winooski River?

The structure is 207 ft (63.1 m) long with a longest span of 202 ft (61.6 m) and a deck 21 ft wide.

Who owns C2004 over Winooski River?

It is owned by the Town or Township Highway Agency.