US Bridges

US 68 Nc over I-24

Fair

McCracken County, Kentucky · Wbl 1 MI S of JCT US 62 · Structure no. 073B00060L

Built
1971
54 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
233 ft
2 main spans
Daily traffic
4,019
2023 count
Owner
State
State Highway Agency

About this bridge

US 68 Nc over I-24 is a steel continuous stringer/multi-beam or girder carrying US 68 Nc over I-24 in McCracken County, Kentucky. It was built in 1971, so it is 54 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.

It carries about 4,019 vehicles a day, roughly 8% of them trucks, projected to reach 4,019 by 2043. The structure is 233 ft (71 m) long and 42 ft wide.

CarriesUS 68 Nc
CrossesI-24
LocationWbl 1 MI S of JCT US 62
RouteU.S. Route 68
Coordinates36.99472, -88.50583
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating33.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length233 ft (71 m)
Longest span92 ft (28 m)
Deck width42 ft (12.9 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,019 (2023)
Projected traffic4,019 by 2043
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 US 68 Nc over I-24 built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 68 Nc over I-24 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 December 2024.

How much traffic does US 68 Nc over I-24 carry?

About 4,019 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 68 Nc over I-24?

The structure is 233 ft (71 m) long with a longest span of 92 ft (28 m) and a deck 42 ft wide.

Who owns US 68 Nc over I-24?

It is owned by the State Highway Agency.