US Bridges

I-64 over NS Railroad

Fair

Jefferson County, Kentucky · 0.4 MI E of I-264 · Structure no. 056B00284N

Built
1969
56 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,662 ft
30 main spans
Daily traffic
65,180
2017 count
Owner
State
State Highway Agency

About this bridge

I-64 over NS Railroad is a steel continuous stringer/multi-beam or girder carrying I-64 over NS Railroad in Jefferson County, Kentucky. It was built in 1969, so it is 56 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.

It carries about 65,180 vehicles a day, roughly 9% of them trucks, projected to reach 71,698 by 2037. The structure is 2,662 ft (811.5 m) long and 94 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesI-64
CrossesNS Railroad
Location0.4 MI E of I-264
RouteInterstate 64
CountyJefferson County
StateKentucky
Coordinates38.27722, -85.79889
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans30
Design loadHS 20
Structure length2,662 ft (811.5 m)
Longest span118 ft (36 m)
Deck width94 ft (28.7 m)
Roadway width89 ft (27 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,180 (2017)
Projected traffic71,698 by 2037
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed14.3 mi (23 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-64 over NS Railroad built?

It was built in 1969, making it 56 years old in 2025.

What condition is I-64 over NS 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 June 2023.

How much traffic does I-64 over NS Railroad carry?

About 65,180 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is I-64 over NS Railroad?

The structure is 2,662 ft (811.5 m) long with a longest span of 118 ft (36 m) and a deck 94 ft wide.

Who owns I-64 over NS Railroad?

It is owned by the State Highway Agency.