US Bridges

C3031 over Ball Mtn. Brook

Good

Windham County, Vermont · At JCT TH 30 & TH 31 · Structure no. 101309003013091

Built
2013
12 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
55 ft
1 main span
Daily traffic
10
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3031 over Ball Mtn. Brook is a concrete stringer/multi-beam or girder carrying C3031 over Ball Mtn. Brook in Windham County, Vermont. It was built in 2013, so it is 12 years old, younger 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 11 by 2029. The structure is 55 ft (16.8 m) long and 17 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesC3031
CrossesBall Mtn. Brook
LocationAt JCT TH 30 & TH 31
CountyWindham County
StateVermont
Coordinates43.0798, -72.82614
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length55 ft (16.8 m)
Longest span52 ft (15.8 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2019)
Projected traffic11 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C3031 over Ball Mtn. Brook built?

It was built in 2013, making it 12 years old in 2025.

What condition is C3031 over Ball Mtn. Brook 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 October 2023.

How much traffic does C3031 over Ball Mtn. Brook carry?

About 10 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3031 over Ball Mtn. Brook?

The structure is 55 ft (16.8 m) long with a longest span of 52 ft (15.8 m) and a deck 17 ft wide.

Who owns C3031 over Ball Mtn. Brook?

It is owned by the Town or Township Highway Agency.