US Bridges

C3022 over Rock River

Good

Franklin County, Vermont · 0.1 MI to JCT W CL4 TH23 · Structure no. 100609002406091

Built
1939
86 years old, rebuilt 1996
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
100
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3022 over Rock River is a steel stringer/multi-beam or girder carrying C3022 over Rock River in Franklin County, Vermont. It was built in 1939 and reconstructed in 1996, so it is 86 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 105 by 2029. The structure is 84 ft (25.6 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesC3022
CrossesRock River
Location0.1 MI to JCT W CL4 TH23
StateVermont
Coordinates44.97884, -73.02529
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length84 ft (25.6 m)
Longest span82 ft (25 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic105 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 C3022 over Rock River built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1996.

What condition is C3022 over Rock 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 C3022 over Rock River carry?

About 100 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3022 over Rock River?

The structure is 84 ft (25.6 m) long with a longest span of 82 ft (25 m) and a deck 29 ft wide.

Who owns C3022 over Rock River?

It is owned by the Town or Township Highway Agency.