US Bridges

C3024 over Mad River

Good

Washington County, Vermont · 0.1 MI to JCT W VT100B · Structure no. 101212004112121

Built
2013
12 years old
Condition
Good
inspected August 2024
Type
Truss - Thru
Steel
Length
136 ft
1 main span
Daily traffic
10
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3024 over Mad River is a steel truss - thru carrying C3024 over Mad River in Washington 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 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 11 by 2029. The structure is 136 ft (41.5 m) long and 19 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesC3024
CrossesMad River
Location0.1 MI to JCT W VT100B
StateVermont
Coordinates44.27673, -72.7424
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length136 ft (41.5 m)
Longest span132 ft (40.2 m)
Deck width19 ft (5.7 m)
Roadway width16 ft (4.9 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 C3024 over Mad River built?

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

What condition is C3024 over Mad 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 August 2024.

How much traffic does C3024 over Mad River carry?

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

How long is C3024 over Mad River?

The structure is 136 ft (41.5 m) long with a longest span of 132 ft (40.2 m) and a deck 19 ft wide.

Who owns C3024 over Mad River?

It is owned by the Town or Township Highway Agency.