US Bridges

KY-510 over Greasy Creek

FairPosted for load

Harlan County, Kentucky · .02 MI East of JCT Ky 221 · Structure no. 048B00056N

Built
1954
71 years old
Condition
Fair
inspected July 2023
Type
Culvert
Other
Length
25 ft
2 main spans
Daily traffic
120
2023 count
Owner
State
State Highway Agency

About this bridge

KY-510 over Greasy Creek is a other culvert carrying KY-510 over Greasy Creek in Harlan County, Kentucky. It was built in 1954, so it is 71 years old, older than the Kentucky average of 46.6 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. Its operating status is: posted for load restriction.

It carries about 120 vehicles a day, projected to reach 120 by 2043. The structure is 25 ft (7.6 m) long and 58 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesKY-510
CrossesGreasy Creek
Location.02 MI East of JCT Ky 221
RouteState Highway 510
Coordinates36.94972, -83.18583
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating36.7 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialOther
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width58 ft (17.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2023)
Projected traffic120 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-510 over Greasy Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is KY-510 over Greasy Creek 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 July 2023.

How much traffic does KY-510 over Greasy Creek carry?

About 120 vehicles per day (2023 count).

How long is KY-510 over Greasy Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 58 ft wide.

Who owns KY-510 over Greasy Creek?

It is owned by the State Highway Agency.