US Bridges

C3084 over Cold Brook

Good

Windham County, Vermont · 0.01 MI to JCT W CL2 TH2 · Structure no. 101304005213041

Built
1995
30 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
350
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3084 over Cold Brook is a prestressed concrete box beam or girders - multiple carrying C3084 over Cold Brook in Windham County, Vermont. It was built in 1995, so it is 30 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 350 vehicles a day, roughly 2% of them trucks, projected to reach 368 by 2029. The structure is 50 ft (15.2 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesC3084
CrossesCold Brook
Location0.01 MI to JCT W CL2 TH2
StateVermont
Coordinates42.92839, -72.8888
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating67 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width29 ft (8.7 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic350 (2019)
Projected traffic368 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-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$551,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3084 over Cold Brook built?

It was built in 1995, making it 30 years old in 2025.

What condition is C3084 over Cold 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 C3084 over Cold Brook carry?

About 350 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3084 over Cold Brook?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 29 ft wide.

Who owns C3084 over Cold Brook?

It is owned by the Town or Township Highway Agency.