US Bridges

I-65 over Grade LN

Fair

Jefferson County, Kentucky · 1.0 MI S of I-264 · Structure no. 056B00389N

Built
1988
37 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
127 ft
1 main span
Daily traffic
159,448
2022 count
Owner
State
State Highway Agency

About this bridge

I-65 over Grade LN is a steel stringer/multi-beam or girder carrying I-65 over Grade LN in Jefferson County, Kentucky. It was built in 1988, so it is 37 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 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 159,448 vehicles a day, roughly 16% of them trucks, projected to reach 175,392 by 2042. The structure is 127 ft (38.6 m) long and 196 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesI-65
CrossesGrade LN
Location1.0 MI S of I-264
RouteInterstate 65
CountyJefferson County
StateKentucky
Coordinates38.17861, -85.71972
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.7 US tons
Inventory rating50.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length127 ft (38.6 m)
Longest span121 ft (36.9 m)
Deck width196 ft (59.8 m)
Roadway width191 ft (58.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic159,448 (2022)
Projected traffic175,392 by 2042
Trucks16%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed23 mi (37 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$3.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-65 over Grade LN built?

It was built in 1988, making it 37 years old in 2025.

What condition is I-65 over Grade LN 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 October 2024.

How much traffic does I-65 over Grade LN carry?

About 159,448 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I-65 over Grade LN?

The structure is 127 ft (38.6 m) long with a longest span of 121 ft (36.9 m) and a deck 196 ft wide.

Who owns I-65 over Grade LN?

It is owned by the State Highway Agency.