US Bridges

C3039 over Mad River

FairPosted for load

Washington County, Vermont · 0.05 MI to JCT W VT100B · Structure no. 101212004212121

Built
1920
105 years old, rebuilt 1991
Condition
Fair
inspected August 2024
Type
Truss - Thru
Steel
Length
102 ft
1 main span
Daily traffic
20
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3039 over Mad River is a steel truss - thru carrying C3039 over Mad River in Washington County, Vermont. It was built in 1920 and reconstructed in 1991, so it is 105 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 5 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 21 by 2029. The structure is 102 ft (31.1 m) long and 12 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesC3039
CrossesMad River
Location0.05 MI to JCT W VT100B
CountyWashington County
StateVermont
Coordinates44.25078, -72.76214
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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating16 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length102 ft (31.1 m)
Longest span98 ft (29.9 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic21 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$650,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3039 over Mad River built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1991.

What condition is C3039 over Mad River 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 August 2024.

How much traffic does C3039 over Mad River carry?

About 20 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3039 over Mad River?

The structure is 102 ft (31.1 m) long with a longest span of 98 ft (29.9 m) and a deck 12 ft wide.

Who owns C3039 over Mad River?

It is owned by the Town or Township Highway Agency.