US Bridges

I-64 WB Off Ramp 4 over US 31W I-64 & Ramps

Fair

Jefferson County, Kentucky · 1.3 MI W of I-65 · Structure no. 056B00298N

Built
1975
50 years old
Condition
Fair
inspected June 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
1,637 ft
20 main spans
Daily traffic
58,404
2021 count
Owner
State
State Highway Agency

About this bridge

I-64 WB Off Ramp 4 over US 31W I-64 & Ramps is a steel continuous girder and floorbeam system carrying I-64 WB Off Ramp 4 over US 31W I-64 & Ramps in Jefferson County, Kentucky. It was built in 1975, so it is 50 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 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 58,404 vehicles a day, roughly 10% of them trucks, projected to reach 64,244 by 2041. The structure is 1,637 ft (498.9 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI-64 WB Off Ramp 4
CrossesUS 31W I-64 & Ramps
Location1.3 MI W of I-65
RouteInterstate 64
CountyJefferson County
StateKentucky
Coordinates38.25778, -85.76556
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.3 US tons
Inventory rating23.3 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans20
Design loadHS 20
Structure length1,637 ft (498.9 m)
Longest span134 ft (40.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,404 (2021)
Projected traffic64,244 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$6.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-64 WB Off Ramp 4 over US 31W I-64 & Ramps built?

It was built in 1975, making it 50 years old in 2025.

What condition is I-64 WB Off Ramp 4 over US 31W I-64 & Ramps 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 WB Off Ramp 4 over US 31W I-64 & Ramps carry?

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

How long is I-64 WB Off Ramp 4 over US 31W I-64 & Ramps?

The structure is 1,637 ft (498.9 m) long with a longest span of 134 ft (40.7 m) and a deck 33 ft wide.

Who owns I-64 WB Off Ramp 4 over US 31W I-64 & Ramps?

It is owned by the State Highway Agency.