US Bridges

US-150 over Slough of Hanging Frk

Fair

Lincoln County, Kentucky · 2.1 MI S.E. of Boyle Cl · Structure no. 069B00003N

Built
1959
66 years old
Condition
Fair
inspected April 2022
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
13,930
2023 count
Owner
State
State Highway Agency

About this bridge

US-150 over Slough of Hanging Frk is a concrete culvert carrying US-150 over Slough of Hanging Frk in Lincoln County, Kentucky. It was built in 1959, so it is 66 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.

It carries about 13,930 vehicles a day, roughly 13% of them trucks, projected to reach 13,930 by 2043. The structure is 21 ft (6.4 m) long and 150 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS-150
CrossesSlough of Hanging Frk
Location2.1 MI S.E. of Boyle Cl
RouteU.S. Route 150
Coordinates37.57111, -84.69722
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating74.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width150 ft (45.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,930 (2023)
Projected traffic13,930 by 2043
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes

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 US-150 over Slough of Hanging Frk built?

It was built in 1959, making it 66 years old in 2025.

What condition is US-150 over Slough of Hanging Frk 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 April 2022.

How much traffic does US-150 over Slough of Hanging Frk carry?

About 13,930 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US-150 over Slough of Hanging Frk?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 150 ft wide.

Who owns US-150 over Slough of Hanging Frk?

It is owned by the State Highway Agency.