US Bridges

US-68 Nc over Muddy Creek

Fair

Christian County, Kentucky · 1.7 MI E. of JCT Ky 1349 · Structure no. 024B00135L

Built
1998
27 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
3,732
2022 count
Owner
State
State Highway Agency

About this bridge

US-68 Nc over Muddy Creek is a prestressed concrete box beam or girders - single or spread carrying US-68 Nc over Muddy Creek in Christian County, Kentucky. It was built in 1998, so it is 27 years old, younger 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.

It carries about 3,732 vehicles a day, roughly 23% of them trucks, projected to reach 3,732 by 2042. The structure is 85 ft (25.9 m) long and 45 ft wide.

CarriesUS-68 Nc
CrossesMuddy Creek
Location1.7 MI E. of JCT Ky 1349
RouteU.S. Route 68
Coordinates36.87972, -87.58944
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.7 US tons
Inventory rating39.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length85 ft (25.9 m)
Longest span79 ft (24.1 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,732 (2022)
Projected traffic3,732 by 2042
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-68 Nc over Muddy Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is US-68 Nc 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 June 2024.

How much traffic does US-68 Nc over Muddy Creek carry?

About 3,732 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is US-68 Nc over Muddy Creek?

The structure is 85 ft (25.9 m) long with a longest span of 79 ft (24.1 m) and a deck 45 ft wide.

Who owns US-68 Nc over Muddy Creek?

It is owned by the State Highway Agency.