US Bridges

C3055 over Black River

FairPosted for load

Windsor County, Vermont · 0.01 MI to JCT W VT100 · Structure no. 101412004814121

Built
1919
106 years old, rebuilt 2011
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
5
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3055 over Black River is a steel stringer/multi-beam or girder carrying C3055 over Black River in Windsor County, Vermont. It was built in 1919 and reconstructed in 2011, 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, roughly 2% of them trucks, projected to reach 6 by 2029. The structure is 38 ft (11.6 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesC3055
CrossesBlack River
Location0.01 MI to JCT W VT100
StateVermont
Coordinates43.52587, -72.73542
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating30 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span34 ft (10.4 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2019)
Projected traffic6 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$264,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3055 over Black River built?

It was built in 1919, making it 106 years old in 2025. It was reconstructed in 2011.

What condition is C3055 over Black 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 October 2023.

How much traffic does C3055 over Black River carry?

About 5 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3055 over Black River?

The structure is 38 ft (11.6 m) long with a longest span of 34 ft (10.4 m) and a deck 16 ft wide.

Who owns C3055 over Black River?

It is owned by the Town or Township Highway Agency.