US Bridges

I-64 over L&i RR & Northwestern

FairPosted for load

Jefferson County, Kentucky · 0.75 MI E of US 150 · Structure no. 056B00285N

Built
1972
53 years old
Condition
Fair
inspected July 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
2,116 ft
22 main spans
Daily traffic
58,404
2021 count
Owner
State
State Highway Agency

About this bridge

I-64 over L&i RR & Northwestern is a steel continuous girder and floorbeam system carrying I-64 over L&i RR & Northwestern in Jefferson County, Kentucky. It was built in 1972, so it is 53 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 5 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 58,404 vehicles a day, roughly 10% of them trucks, projected to reach 64,244 by 2041. The structure is 2,116 ft (644.9 m) long and 94 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-64
CrossesL&i RR & Northwestern
Location0.75 MI E of US 150
RouteInterstate 64
CountyJefferson County
StateKentucky
Coordinates38.26306, -85.7725
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.7 US tons
Inventory rating16.1 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans22
Design loadHS 20 + Mod
Structure length2,116 ft (644.9 m)
Longest span175 ft (53.3 m)
Deck width94 ft (28.7 m)
Roadway width89 ft (27 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,404 (2021)
Projected traffic64,244 by 2041
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.7 mi (6 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$24.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-64 over L&i RR & Northwestern built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-64 over L&i RR & Northwestern 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-64 over L&i RR & Northwestern carry?

About 58,404 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is I-64 over L&i RR & Northwestern?

The structure is 2,116 ft (644.9 m) long with a longest span of 175 ft (53.3 m) and a deck 94 ft wide.

Who owns I-64 over L&i RR & Northwestern?

It is owned by the State Highway Agency.