US Bridges

C3023 over Middlebury River

GoodPosted for load

Addison County, Vermont · 0.05 MI to JCT W VT125 · Structure no. 100111002101111

Built
2009
16 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
600
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3023 over Middlebury River is a prestressed concrete box beam or girders - multiple carrying C3023 over Middlebury River in Addison County, Vermont. It was built in 2009, so it is 16 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. Its operating status is: posted for load restriction.

It carries about 600 vehicles a day, roughly 2% of them trucks, projected to reach 630 by 2029. The structure is 80 ft (24.4 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesC3023
CrossesMiddlebury River
Location0.05 MI to JCT W VT125
StateVermont
Coordinates43.9704, -73.09152
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 statusPosted for load 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 rating47 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span78 ft (23.8 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2019)
Projected traffic630 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 C3023 over Middlebury River built?

It was built in 2009, making it 16 years old in 2025.

What condition is C3023 over Middlebury 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 C3023 over Middlebury River carry?

About 600 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3023 over Middlebury River?

The structure is 80 ft (24.4 m) long with a longest span of 78 ft (23.8 m) and a deck 28 ft wide.

Who owns C3023 over Middlebury River?

It is owned by the Town or Township Highway Agency.