US Bridges

KY-501 over Knob Lick Creek

Fair

Casey County, Kentucky · 500 E of N-Jct Ky 70 · Structure no. 023B00069N

Built
1982
43 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
178 ft
3 main spans
Daily traffic
1,171
2021 count
Owner
State
State Highway Agency

About this bridge

KY-501 over Knob Lick Creek is a prestressed concrete stringer/multi-beam or girder carrying KY-501 over Knob Lick Creek in Casey County, Kentucky. It was built in 1982, so it is 43 years old, younger 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.

It carries about 1,171 vehicles a day, projected to reach 1,171 by 2041. The structure is 178 ft (54.4 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesKY-501
CrossesKnob Lick Creek
Location500 E of N-Jct Ky 70
RouteState Highway 501
Coordinates37.33472, -84.82222
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.2 US tons
Inventory rating54.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length178 ft (54.4 m)
Longest span69 ft (20.9 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,171 (2021)
Projected traffic1,171 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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-501 over Knob Lick Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is KY-501 over Knob Lick 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 August 2023.

How much traffic does KY-501 over Knob Lick Creek carry?

About 1,171 vehicles per day (2021 count).

How long is KY-501 over Knob Lick Creek?

The structure is 178 ft (54.4 m) long with a longest span of 69 ft (20.9 m) and a deck 31 ft wide.

Who owns KY-501 over Knob Lick Creek?

It is owned by the State Highway Agency.