US Bridges

KY-506 over Piney Creek

FairPosted for load

Crittenden County, Kentucky · .40 MI N.W. of Caldwell C · Structure no. 028B00030N

Built
1955
70 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
92 ft
4 main spans
Daily traffic
93
2022 count
Owner
State
State Highway Agency

About this bridge

KY-506 over Piney Creek is a concrete continuous slab carrying KY-506 over Piney Creek in Crittenden County, Kentucky. It was built in 1955, so it is 70 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 93 vehicles a day, projected to reach 93 by 2042. The structure is 92 ft (28 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesKY-506
CrossesPiney Creek
Location.40 MI N.W. of Caldwell C
RouteState Highway 506
Coordinates37.28972, -87.96944
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load 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 rating39.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length92 ft (28 m)
Longest span23 ft (7 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93 (2022)
Projected traffic93 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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-506 over Piney Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is KY-506 over Piney 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 March 2024.

How much traffic does KY-506 over Piney Creek carry?

About 93 vehicles per day (2022 count).

How long is KY-506 over Piney Creek?

The structure is 92 ft (28 m) long with a longest span of 23 ft (7 m) and a deck 25 ft wide.

Who owns KY-506 over Piney Creek?

It is owned by the State Highway Agency.