US Bridges

I-24 over Nd (nat Defense) Railroa

Good

Christian County, Kentucky · Ebl .10 MI E of US 41A · Structure no. 024B00130R

Built
1974
51 years old
Condition
Good
inspected June 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
174 ft
3 main spans
Daily traffic
21,639
2023 count
Owner
State
State Highway Agency

About this bridge

I-24 over Nd (nat Defense) Railroa is a prestressed concrete continuous stringer/multi-beam or girder carrying I-24 over Nd (nat Defense) Railroa in Christian County, Kentucky. It was built in 1974, so it is 51 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21,639 vehicles a day, roughly 18% of them trucks, projected to reach 26,832 by 2043. The structure is 174 ft (53 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-24
CrossesNd (nat Defense) Railroa
LocationEbl .10 MI E of US 41A
RouteInterstate 24
CountyChristian County
StateKentucky
Coordinates36.69972, -87.44778
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating46.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length174 ft (53 m)
Longest span56 ft (17.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,639 (2023)
Projected traffic26,832 by 2043
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-24 over Nd (nat Defense) Railroa built?

It was built in 1974, making it 51 years old in 2025.

What condition is I-24 over Nd (nat Defense) Railroa in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2021.

How much traffic does I-24 over Nd (nat Defense) Railroa carry?

About 21,639 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I-24 over Nd (nat Defense) Railroa?

The structure is 174 ft (53 m) long with a longest span of 56 ft (17.1 m) and a deck 43 ft wide.

Who owns I-24 over Nd (nat Defense) Railroa?

It is owned by the State Highway Agency.