US Bridges

US-0421 over Enoch Branch

Good

Harlan County, Kentucky · .10 MI E. of JCT Ky 2074 · Structure no. 048B00190N

Built
2004
21 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
2,750
2022 count
Owner
State
State Highway Agency

About this bridge

US-0421 over Enoch Branch is a concrete culvert carrying US-0421 over Enoch Branch in Harlan County, Kentucky. It was built in 2004, so it is 21 years old, younger 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 2,750 vehicles a day, roughly 11% of them trucks, projected to reach 2,750 by 2042. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 55.3 mi (89 km).

CarriesUS-0421
CrossesEnoch Branch
Location.10 MI E. of JCT Ky 2074
RouteU.S. Route 421
Coordinates36.81583, -83.275
Functional classRural Minor Arterial

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 inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating36.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,750 (2022)
Projected traffic2,750 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.3 mi (89 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 US-0421 over Enoch Branch built?

It was built in 2004, making it 21 years old in 2025.

What condition is US-0421 over Enoch 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 June 2023.

How much traffic does US-0421 over Enoch Branch carry?

About 2,750 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is US-0421 over Enoch Branch?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns US-0421 over Enoch Branch?

It is owned by the State Highway Agency.