US Bridges

C3030 over Jones Brook

FairPosted for load

Chittenden County, Vermont · 0.01 MI to JCT W C3 TH31 · Structure no. 100408002804081

Built
1914
111 years old, rebuilt 2010
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
80
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3030 over Jones Brook is a steel stringer/multi-beam or girder carrying C3030 over Jones Brook in Chittenden County, Vermont. It was built in 1914 and reconstructed in 2010, so it is 111 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 6 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 84 by 2029. The structure is 28 ft (8.5 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesC3030
CrossesJones Brook
Location0.01 MI to JCT W C3 TH31
CountyChittenden County
StateVermont
Coordinates44.25291, -72.95395
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width16 ft (5 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2019)
Projected traffic84 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$210,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3030 over Jones Brook built?

It was built in 1914, making it 111 years old in 2025. It was reconstructed in 2010.

What condition is C3030 over Jones Brook 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 C3030 over Jones Brook carry?

About 80 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3030 over Jones Brook?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 16 ft wide.

Who owns C3030 over Jones Brook?

It is owned by the Town or Township Highway Agency.