US Bridges

US-460 over Rockhouse Fork

Good

Magoffin County, Kentucky · .1 MI E of W-Jct Ky 1415 · Structure no. 077B00006N

Built
1965
60 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
41 ft
2 main spans
Daily traffic
7,546
2022 count
Owner
State
State Highway Agency

About this bridge

US-460 over Rockhouse Fork is a concrete culvert carrying US-460 over Rockhouse Fork in Magoffin County, Kentucky. It was built in 1965, so it is 60 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 7,546 vehicles a day, roughly 14% of them trucks, projected to reach 7,546 by 2042. The structure is 41 ft (12.4 m) long and 93 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS-460
CrossesRockhouse Fork
Location.1 MI E of W-Jct Ky 1415
RouteU.S. Route 460
Coordinates37.73278, -83.01972
Functional classRural Principal Arterial - Other

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 inspectionJanuary 2024
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 alignment9: Superior to present desirable criteria
Operating rating60 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span20 ft (6 m)
Deck width93 ft (28.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,546 (2022)
Projected traffic7,546 by 2042
Trucks14%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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-460 over Rockhouse Fork built?

It was built in 1965, making it 60 years old in 2025.

What condition is US-460 over Rockhouse Fork 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 January 2024.

How much traffic does US-460 over Rockhouse Fork carry?

About 7,546 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is US-460 over Rockhouse Fork?

The structure is 41 ft (12.4 m) long with a longest span of 20 ft (6 m) and a deck 93 ft wide.

Who owns US-460 over Rockhouse Fork?

It is owned by the State Highway Agency.