US Bridges

WK-9001 over Riley Road

Fair

Lyon County, Kentucky · 1.6 MI E of I-24 Ntrch · Structure no. 072B00051N

Built
1976
49 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
6,848
2023 count
Owner
State
State Highway Agency

About this bridge

WK-9001 over Riley Road is a concrete culvert carrying WK-9001 over Riley Road in Lyon County, Kentucky. It was built in 1976, so it is 49 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 5 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 6,848 vehicles a day, roughly 34% of them trucks, projected to reach 8,491 by 2043. The structure is 26 ft (7.9 m) long.

CarriesWK-9001
CrossesRiley Road
Location1.6 MI E of I-24 Ntrch
RouteInterstate 69
Coordinates37.0875, -88.06111
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating42.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,848 (2023)
Projected traffic8,491 by 2043
Trucks34%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$72,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was WK-9001 over Riley Road built?

It was built in 1976, making it 49 years old in 2025.

What condition is WK-9001 over Riley Road 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 WK-9001 over Riley Road carry?

About 6,848 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is WK-9001 over Riley Road?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m).

Who owns WK-9001 over Riley Road?

It is owned by the State Highway Agency.