US Bridges

I-65 over CSX Railroad

Fair

Simpson County, Kentucky · 2.48 MI N of State Line · Structure no. 107B00043N

Built
2007
18 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
197 ft
3 main spans
Daily traffic
52,337
2023 count
Owner
State
State Highway Agency

About this bridge

I-65 over CSX Railroad is a prestressed concrete continuous box beam or girders - single or spread carrying I-65 over CSX Railroad in Simpson County, Kentucky. It was built in 2007, so it is 18 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 52,337 vehicles a day, roughly 32% of them trucks, projected to reach 64,897 by 2043. The structure is 197 ft (60 m) long and 141 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-65
CrossesCSX Railroad
Location2.48 MI N of State Line
RouteInterstate 65
CountySimpson County
StateKentucky
Coordinates36.67139, -86.55111
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no 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 rating93.6 US tons
Inventory rating56.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length197 ft (60 m)
Longest span78 ft (23.8 m)
Deck width141 ft (43.1 m)
Roadway width136 ft (41.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,337 (2023)
Projected traffic64,897 by 2043
Trucks32%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-65 over CSX Railroad built?

It was built in 2007, making it 18 years old in 2025.

What condition is I-65 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 July 2023.

How much traffic does I-65 over CSX Railroad carry?

About 52,337 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is I-65 over CSX Railroad?

The structure is 197 ft (60 m) long with a longest span of 78 ft (23.8 m) and a deck 141 ft wide.

Who owns I-65 over CSX Railroad?

It is owned by the State Highway Agency.