US Bridges

C3012 over Cox Brook

Good

Washington County, Vermont · 0.05 MI to JCT W CL2 TH3 · Structure no. 101213005412131

Built
2003
22 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
10
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3012 over Cox Brook is a prestressed concrete slab carrying C3012 over Cox Brook in Washington County, Vermont. It was built in 2003, so it is 22 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 1% of them trucks, projected to reach 11 by 2029. The structure is 29 ft (8.8 m) long and 14 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesC3012
CrossesCox Brook
Location0.05 MI to JCT W CL2 TH3
CountyWashington County
StateVermont
Coordinates44.17869, -72.66679
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88 US tons
Inventory rating57 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width14 ft (4.3 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2019)
Projected traffic11 by 2029
Trucks1%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$192,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3012 over Cox Brook built?

It was built in 2003, making it 22 years old in 2025.

What condition is C3012 over Cox 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 August 2024.

How much traffic does C3012 over Cox Brook carry?

About 10 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is C3012 over Cox Brook?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 14 ft wide.

Who owns C3012 over Cox Brook?

It is owned by the Town or Township Highway Agency.