US Bridges

KY-79 over Muddy Creek

FairPosted for load

Logan County, Kentucky · 1.5 MI S of Butler Cl · Structure no. 071B00010N

Built
1933
92 years old
Condition
Fair
inspected October 2021
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
1,320
2023 count
Owner
State
State Highway Agency

About this bridge

KY-79 over Muddy Creek is a concrete tee beam carrying KY-79 over Muddy Creek in Logan County, Kentucky. It was built in 1933, so it is 92 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 1,320 vehicles a day, roughly 21% of them trucks, projected to reach 1,320 by 2043. The structure is 43 ft (13.1 m) long and 27 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

Location

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CarriesKY-79
CrossesMuddy Creek
Location1.5 MI S of Butler Cl
RouteState Highway 79
CountyLogan County
StateKentucky
Coordinates37.00639, -86.76333
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.1 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,320 (2023)
Projected traffic1,320 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$126,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-79 over Muddy Creek built?

It was built in 1933, making it 92 years old in 2025.

What condition is KY-79 over Muddy 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 2021.

How much traffic does KY-79 over Muddy Creek carry?

About 1,320 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is KY-79 over Muddy Creek?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns KY-79 over Muddy Creek?

It is owned by the State Highway Agency.