US Bridges

C3003 over Miller Run

Fair

Caledonia County, Vermont · 0.1 MI JCT TH 3 + Vt 122 · Structure no. 100317001603171

Built
1927
98 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
45 ft
1 main span
Daily traffic
400
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3003 over Miller Run is a concrete tee beam carrying C3003 over Miller Run in Caledonia County, Vermont. It was built in 1927, so it is 98 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 400 vehicles a day, roughly 2% of them trucks, projected to reach 420 by 2029. The structure is 45 ft (13.7 m) long and 23 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesC3003
CrossesMiller Run
Location0.1 MI JCT TH 3 + Vt 122
CountyCaledonia County
StateVermont
Coordinates44.58835, -72.08914
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 rating71 US tons
Inventory rating42 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span41 ft (12.5 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2019)
Projected traffic420 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 C3003 over Miller Run built?

It was built in 1927, making it 98 years old in 2025.

What condition is C3003 over Miller Run 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 September 2023.

How much traffic does C3003 over Miller Run carry?

About 400 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3003 over Miller Run?

The structure is 45 ft (13.7 m) long with a longest span of 41 ft (12.5 m) and a deck 23 ft wide.

Who owns C3003 over Miller Run?

It is owned by the Town or Township Highway Agency.