US Bridges

C3034 over Black River

FairPosted for load

Orleans County, Vermont · 0.01 MI to JCT W CL3 TH5 · Structure no. 101011002110111

Built
1952
73 years old
Condition
Fair
inspected August 2023
Type
Girder and Floorbeam System
Steel
Length
73 ft
1 main span
Daily traffic
50
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3034 over Black River is a steel girder and floorbeam system carrying C3034 over Black River in Orleans County, Vermont. It was built in 1952, so it is 73 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 53 by 2029. The structure is 73 ft (22.3 m) long and 13 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesC3034
CrossesBlack River
Location0.01 MI to JCT W CL3 TH5
CountyOrleans County
StateVermont
Coordinates44.80612, -72.27843
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating23 US tons
Inventory rating12 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckClosed grating
Main spans1
Design loadUnknown
Structure length73 ft (22.3 m)
Longest span69 ft (21 m)
Deck width13 ft (4.1 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic53 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$576,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3034 over Black River built?

It was built in 1952, making it 73 years old in 2025.

What condition is C3034 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 August 2023.

How much traffic does C3034 over Black River carry?

About 50 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3034 over Black River?

The structure is 73 ft (22.3 m) long with a longest span of 69 ft (21 m) and a deck 13 ft wide.

Who owns C3034 over Black River?

It is owned by the Town or Township Highway Agency.