US Bridges

KY-3456 over -24 @.Mp. 023.393

Fair

Marshall County, Kentucky · 1 MI S of JCT US 68 · Structure no. 079B00112N

Built
1976
49 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
251 ft
2 main spans
Daily traffic
167
2022 count
Owner
State
State Highway Agency

About this bridge

KY-3456 over -24 @.Mp. 023.393 is a steel continuous stringer/multi-beam or girder carrying KY-3456 over -24 @.Mp. 023.393 in Marshall County, Kentucky. It was built in 1976, so it is 49 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 167 vehicles a day, projected to reach 167 by 2042. The structure is 251 ft (76.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKY-3456
Crosses-24 @.Mp. 023.393
Location1 MI S of JCT US 68
RouteState Highway 3456
CountyMarshall County
StateKentucky
Coordinates36.99056, -88.37528
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 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 rating52.9 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length251 ft (76.4 m)
Longest span94 ft (28.7 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic167 (2022)
Projected traffic167 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-3456 over -24 @.Mp. 023.393 built?

It was built in 1976, making it 49 years old in 2025.

What condition is KY-3456 over -24 @.Mp. 023.393 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 KY-3456 over -24 @.Mp. 023.393 carry?

About 167 vehicles per day (2022 count).

How long is KY-3456 over -24 @.Mp. 023.393?

The structure is 251 ft (76.4 m) long with a longest span of 94 ft (28.7 m) and a deck 32 ft wide.

Who owns KY-3456 over -24 @.Mp. 023.393?

It is owned by the State Highway Agency.