US Bridges

LN-9008 over Slick Rock Road

Fair

Barren County, Kentucky · 2.8 MI West of Metcalfe C · Structure no. 005B00084N

Built
1973
52 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
6,947
2022 count
Owner
State
State Highway Agency

About this bridge

LN-9008 over Slick Rock Road is a concrete tee beam carrying LN-9008 over Slick Rock Road in Barren County, Kentucky. It was built in 1973, so it is 52 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 6,947 vehicles a day, roughly 28% of them trucks, projected to reach 6,947 by 2042. The structure is 26 ft (7.9 m) long and 125 ft wide.

Location

Open in Google Maps
CarriesLN-9008
CrossesSlick Rock Road
Location2.8 MI West of Metcalfe C
RouteState Highway 9008
CountyBarren County
StateKentucky
Coordinates36.99722, -85.7975
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating104.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width125 ft (38.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,947 (2022)
Projected traffic6,947 by 2042
Trucks28%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LN-9008 over Slick Rock Road built?

It was built in 1973, making it 52 years old in 2025.

What condition is LN-9008 over Slick Rock 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 August 2024.

How much traffic does LN-9008 over Slick Rock Road carry?

About 6,947 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is LN-9008 over Slick Rock Road?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 125 ft wide.

Who owns LN-9008 over Slick Rock Road?

It is owned by the State Highway Agency.