US Bridges

US-68 over CSX Railroad

Fair

Warren County, Kentucky · 2.2 MI E US 31W · Structure no. 114B00077N

Built
1992
33 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
214 ft
3 main spans
Daily traffic
3,256
2023 count
Owner
State
State Highway Agency

About this bridge

US-68 over CSX Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying US-68 over CSX Railroad in Warren County, Kentucky. It was built in 1992, so it is 33 years old, younger 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 3,256 vehicles a day, roughly 22% of them trucks, projected to reach 3,256 by 2043. The structure is 214 ft (65.2 m) long and 44 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

No coordinates are recorded for this structure.

CarriesUS-68
CrossesCSX Railroad
Location2.2 MI E US 31W
RouteU.S. Route 68
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 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 rating77.8 US tons
Inventory rating46.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length214 ft (65.2 m)
Longest span80 ft (24.4 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,256 (2023)
Projected traffic3,256 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed14.9 mi (24 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 US-68 over CSX Railroad built?

It was built in 1992, making it 33 years old in 2025.

What condition is US-68 over CSX Railroad 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 September 2023.

How much traffic does US-68 over CSX Railroad carry?

About 3,256 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is US-68 over CSX Railroad?

The structure is 214 ft (65.2 m) long with a longest span of 80 ft (24.4 m) and a deck 44 ft wide.

Who owns US-68 over CSX Railroad?

It is owned by the State Highway Agency.