US Bridges

I-24-10 Nc over US 68

Good

Trigg County, Kentucky · Wbl 4.7 MI W of Christn C · Structure no. 111B00044L

Built
1974
51 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
180 ft
1 main span
Daily traffic
11,546
2020 count
Owner
State
State Highway Agency

About this bridge

I-24-10 Nc over US 68 is a steel stringer/multi-beam or girder carrying I-24-10 Nc over US 68 in Trigg 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 11,546 vehicles a day, roughly 28% of them trucks, projected to reach 14,317 by 2040. The structure is 180 ft (54.9 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-24-10 Nc
CrossesUS 68
LocationWbl 4.7 MI W of Christn C
RouteInterstate 24
CountyTrigg County
StateKentucky
Coordinates36.88194, -87.735
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
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 rating68.7 US tons
Inventory rating41.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length180 ft (54.9 m)
Longest span113 ft (34.3 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,546 (2020)
Projected traffic14,317 by 2040
Trucks28%
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$951,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-24-10 Nc over US 68 built?

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

What condition is I-24-10 Nc over US 68 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 2024.

How much traffic does I-24-10 Nc over US 68 carry?

About 11,546 vehicles per day (2020 count), of which roughly 28% are trucks.

How long is I-24-10 Nc over US 68?

The structure is 180 ft (54.9 m) long with a longest span of 113 ft (34.3 m) and a deck 43 ft wide.

Who owns I-24-10 Nc over US 68?

It is owned by the State Highway Agency.