US Bridges

KY-139 over I-24

FairPosted for load

Caldwell County, Kentucky · .47 Mi. N. of Trigg Co. · Structure no. 017B00065N

Built
1977
48 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
232 ft
2 main spans
Daily traffic
1,719
2023 count
Owner
State
State Highway Agency

About this bridge

KY-139 over I-24 is a steel continuous stringer/multi-beam or girder carrying KY-139 over I-24 in Caldwell County, Kentucky. It was built in 1977, so it is 48 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. Its operating status is: posted for load restriction.

It carries about 1,719 vehicles a day, roughly 4% of them trucks, projected to reach 1,719 by 2043. The structure is 232 ft (70.7 m) long and 68 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesKY-139
CrossesI-24
Location.47 Mi. N. of Trigg Co.
RouteState Highway 139
CountyCaldwell County
StateKentucky
Coordinates36.96667, -87.87472
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.4 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length232 ft (70.7 m)
Longest span94 ft (28.7 m)
Deck width68 ft (20.8 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,719 (2023)
Projected traffic1,719 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was KY-139 over I-24 built?

It was built in 1977, making it 48 years old in 2025.

What condition is KY-139 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 January 2023.

How much traffic does KY-139 over I-24 carry?

About 1,719 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is KY-139 over I-24?

The structure is 232 ft (70.7 m) long with a longest span of 94 ft (28.7 m) and a deck 68 ft wide.

Who owns KY-139 over I-24?

It is owned by the State Highway Agency.