US Bridges

C3070 over Sleepers River

Fair

Caledonia County, Vermont · 0.03 MI to JCT W CL1 TH2 · Structure no. 100311004303111

Built
1975
50 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
600
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3070 over Sleepers River is a steel stringer/multi-beam or girder carrying C3070 over Sleepers River in Caledonia County, Vermont. It was built in 1975, so it is 50 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 600 vehicles a day, roughly 2% of them trucks, projected to reach 630 by 2029. The structure is 80 ft (24.4 m) long and 40 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesC3070
CrossesSleepers River
Location0.03 MI to JCT W CL1 TH2
StateVermont
Coordinates44.41753, -72.02817
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating57 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span78 ft (23.8 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2019)
Projected traffic630 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C3070 over Sleepers River built?

It was built in 1975, making it 50 years old in 2025.

What condition is C3070 over Sleepers 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 2024.

How much traffic does C3070 over Sleepers River carry?

About 600 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3070 over Sleepers River?

The structure is 80 ft (24.4 m) long with a longest span of 78 ft (23.8 m) and a deck 40 ft wide.

Who owns C3070 over Sleepers River?

It is owned by the Town or Township Highway Agency.