US Bridges

I-24 over Ky 305

Fair

McCracken County, Kentucky · 1.4 MI N of US 60 Ntrch · Structure no. 073B00102R

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
142 ft
1 main span
Daily traffic
16,436
2021 count
Owner
State
State Highway Agency

About this bridge

I-24 over Ky 305 is a steel stringer/multi-beam or girder carrying I-24 over Ky 305 in McCracken County, Kentucky. It was built in 1972, so it is 53 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 16,436 vehicles a day, roughly 25% of them trucks, projected to reach 18,080 by 2041. The structure is 142 ft (43.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-24
CrossesKy 305
Location1.4 MI N of US 60 Ntrch
RouteInterstate 24
Coordinates37.0975, -88.68833
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.1 US tons
Inventory rating48.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length142 ft (43.3 m)
Longest span110 ft (33.5 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,436 (2021)
Projected traffic18,080 by 2041
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$750,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-24 over Ky 305 built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-24 over Ky 305 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 August 2023.

How much traffic does I-24 over Ky 305 carry?

About 16,436 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I-24 over Ky 305?

The structure is 142 ft (43.3 m) long with a longest span of 110 ft (33.5 m) and a deck 43 ft wide.

Who owns I-24 over Ky 305?

It is owned by the State Highway Agency.