US Bridges

KY-620 over I 75

Fair

Scott County, Kentucky · .4 MI E. of S. JCT US 25 · Structure no. 105B00077L

Built
1962
63 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
296 ft
4 main spans
Daily traffic
8,453
2022 count
Owner
State
State Highway Agency

About this bridge

KY-620 over I 75 is a concrete continuous tee beam carrying KY-620 over I 75 in Scott 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 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 8,453 vehicles a day, roughly 14% of them trucks, projected to reach 8,453 by 2042. The structure is 296 ft (90.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKY-620
CrossesI 75
Location.4 MI E. of S. JCT US 25
RouteState Highway 620
CountyScott County
StateKentucky
Coordinates38.27639, -84.5575
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length296 ft (90.2 m)
Longest span85 ft (25.9 m)
Deck width36 ft (11.1 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,453 (2022)
Projected traffic8,453 by 2042
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 KY-620 over I 75 built?

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

What condition is KY-620 over I 75 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 March 2023.

How much traffic does KY-620 over I 75 carry?

About 8,453 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is KY-620 over I 75?

The structure is 296 ft (90.2 m) long with a longest span of 85 ft (25.9 m) and a deck 36 ft wide.

Who owns KY-620 over I 75?

It is owned by the State Highway Agency.