US Bridges

I-64 WB over Ky 420 & Cedar Run

Fair

Franklin County, Kentucky · 0.7 MI E of US 127 · Structure no. 037B00051L

Built
1962
63 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
526 ft
3 main spans
Daily traffic
25,984
2023 count
Owner
State
State Highway Agency

About this bridge

I-64 WB over Ky 420 & Cedar Run is a steel continuous stringer/multi-beam or girder carrying I-64 WB over Ky 420 & Cedar Run in Franklin County, Kentucky. It was built in 1962, so it is 63 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 25,984 vehicles a day, roughly 18% of them trucks, projected to reach 32,220 by 2043. The structure is 526 ft (160.3 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-64 WB
CrossesKy 420 & Cedar Run
Location0.7 MI E of US 127
RouteInterstate 64
Coordinates38.15889, -84.88111
Functional classRural 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.3 US tons
Inventory rating38 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length526 ft (160.3 m)
Longest span168 ft (51.2 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,984 (2023)
Projected traffic32,220 by 2043
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-64 WB over Ky 420 & Cedar Run built?

It was built in 1962, making it 63 years old in 2025.

What condition is I-64 WB over Ky 420 & Cedar Run 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 August 2024.

How much traffic does I-64 WB over Ky 420 & Cedar Run carry?

About 25,984 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I-64 WB over Ky 420 & Cedar Run?

The structure is 526 ft (160.3 m) long with a longest span of 168 ft (51.2 m) and a deck 34 ft wide.

Who owns I-64 WB over Ky 420 & Cedar Run?

It is owned by the State Highway Agency.