US Bridges

C3003 over Miller Run

Good

Caledonia County, Vermont · 0.05 MI JCT TH 3 + VT122 · Structure no. 100317001303171

Built
1940
85 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Concrete
Length
28 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 1940, so it is 85 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 400 vehicles a day, roughly 3% of them trucks, projected to reach 420 by 2029. The structure is 28 ft (8.5 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesC3003
CrossesMiller Run
Location0.05 MI JCT TH 3 + VT122
StateVermont
Coordinates44.58855, -72.0891
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2019)
Projected traffic420 by 2029
Trucks3%
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 1940, making it 85 years old in 2025.

What condition is C3003 over Miller Run 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 September 2023.

How much traffic does C3003 over Miller Run carry?

About 400 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is C3003 over Miller Run?

The structure is 28 ft (8.5 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns C3003 over Miller Run?

It is owned by the Town or Township Highway Agency.