US Bridges

I-64 over NS RR 27th ST & Lannan

Fair

Jefferson County, Kentucky · 0.9 MI E of I-264 · Structure no. 056B00283N

Built
1970
55 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,015 ft
12 main spans
Daily traffic
65,180
2017 count
Owner
State
State Highway Agency

About this bridge

I-64 over NS RR 27th ST & Lannan is a steel continuous stringer/multi-beam or girder carrying I-64 over NS RR 27th ST & Lannan in Jefferson County, Kentucky. It was built in 1970, so it is 55 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 1,015 ft (309.3 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
CrossesNS RR 27th ST & Lannan
Location0.9 MI E of I-264
RouteInterstate 64
CountyJefferson County
StateKentucky
Coordinates38.27528, -85.79083
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 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 rating13.2 US tons
Inventory rating10.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length1,015 ft (309.3 m)
Longest span133 ft (40.5 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
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 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 RR 27th ST & Lannan built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-64 over NS RR 27th ST & Lannan 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 RR 27th ST & Lannan carry?

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

How long is I-64 over NS RR 27th ST & Lannan?

The structure is 1,015 ft (309.3 m) long with a longest span of 133 ft (40.5 m) and a deck 94 ft wide.

Who owns I-64 over NS RR 27th ST & Lannan?

It is owned by the State Highway Agency.