US Bridges

KY-718 over Acorn Creek

FairPosted for load

Knox County, Kentucky · 7.0 MI E of E-Jct Ky 223 · Structure no. 061B00029N

Built
1952
73 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
139
2022 count
Owner
State
State Highway Agency

About this bridge

KY-718 over Acorn Creek is a concrete culvert carrying KY-718 over Acorn Creek 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 139 vehicles a day, projected to reach 139 by 2042. The structure is 46 ft (14 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesKY-718
CrossesAcorn Creek
Location7.0 MI E of E-Jct Ky 223
RouteState Highway 718
Coordinates36.92278, -83.6425
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.8 US tons
Inventory rating25.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length46 ft (14 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 traffic139 (2022)
Projected traffic139 by 2042
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 Acorn Creek built?

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

What condition is KY-718 over Acorn 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 October 2024.

How much traffic does KY-718 over Acorn Creek carry?

About 139 vehicles per day (2022 count).

How long is KY-718 over Acorn Creek?

The structure is 46 ft (14 m) long with a longest span of 12 ft (3.7 m).

Who owns KY-718 over Acorn Creek?

It is owned by the State Highway Agency.