US Bridges

I-24 over Ky 1420

Fair

McCracken County, Kentucky · .5 MI N of Ky 305 Ntrch · Structure no. 073B00101R

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
133 ft
3 main spans
Daily traffic
16,484
2023 count
Owner
State
State Highway Agency

About this bridge

I-24 over Ky 1420 is a steel continuous stringer/multi-beam or girder carrying I-24 over Ky 1420 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 16,484 vehicles a day, roughly 31% of them trucks, projected to reach 20,440 by 2043. The structure is 133 ft (40.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-24
CrossesKy 1420
Location.5 MI N of Ky 305 Ntrch
RouteInterstate 24
CountyMcCracken County
StateKentucky
Coordinates37.10778, -88.69194
Functional classRural 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 rating72.6 US tons
Inventory rating43.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length133 ft (40.4 m)
Longest span54 ft (16.5 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,484 (2023)
Projected traffic20,440 by 2043
Trucks31%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$817,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-24 over Ky 1420 built?

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

What condition is I-24 over Ky 1420 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 1420 carry?

About 16,484 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is I-24 over Ky 1420?

The structure is 133 ft (40.4 m) long with a longest span of 54 ft (16.5 m) and a deck 42 ft wide.

Who owns I-24 over Ky 1420?

It is owned by the State Highway Agency.