US Bridges

KY-30 over Miller Branch

Good

Breathitt County, Kentucky · .1 MI E of JCT Ky 52 · Structure no. 013B00061N

Built
1977
48 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
4,950
2022 count
Owner
State
State Highway Agency

About this bridge

KY-30 over Miller Branch is a concrete culvert carrying KY-30 over Miller Branch in Breathitt County, Kentucky. It was built in 1977, so it is 48 years old, older than the Kentucky average of 46.6 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 4,950 vehicles a day, roughly 4% of them trucks, projected to reach 4,950 by 2042. The structure is 26 ft (7.8 m) long and 118 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesKY-30
CrossesMiller Branch
Location.1 MI E of JCT Ky 52
RouteState Highway 30
CountyBreathitt County
StateKentucky
Coordinates37.55583, -83.41861
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.4 US tons
Inventory rating59 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span12 ft (3.8 m)
Deck width118 ft (36 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,950 (2022)
Projected traffic4,950 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 KY-30 over Miller Branch built?

It was built in 1977, making it 48 years old in 2025.

What condition is KY-30 over Miller Branch 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 February 2024.

How much traffic does KY-30 over Miller Branch carry?

About 4,950 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is KY-30 over Miller Branch?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.8 m) and a deck 118 ft wide.

Who owns KY-30 over Miller Branch?

It is owned by the State Highway Agency.