US Bridges

KY-718 over Laurel Branch

FairPosted for load

Knox County, Kentucky · 4.5 MI E of E-Jct Ky 223 · Structure no. 061B00027N

Built
1952
73 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
382
2023 count
Owner
State
State Highway Agency

About this bridge

KY-718 over Laurel Branch is a concrete culvert carrying KY-718 over Laurel Branch in Knox County, Kentucky. It was built in 1952, so it is 73 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 382 vehicles a day, projected to reach 382 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesKY-718
CrossesLaurel Branch
Location4.5 MI E of E-Jct Ky 223
RouteState Highway 718
CountyKnox County
StateKentucky
Coordinates36.9125, -83.67528
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.7 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic382 (2023)
Projected traffic382 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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-718 over Laurel Branch built?

It was built in 1952, making it 73 years old in 2025.

What condition is KY-718 over Laurel Branch 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 October 2024.

How much traffic does KY-718 over Laurel Branch carry?

About 382 vehicles per day (2023 count).

How long is KY-718 over Laurel Branch?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns KY-718 over Laurel Branch?

It is owned by the State Highway Agency.