US Bridges

Ky 608 over I-75 Northbound

Good

Scott County, Kentucky · 0.3 MI W of JCT US 25 · Structure no. 105B00146N

Built
2007
18 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
250 ft
3 main spans
Daily traffic
232
2023 count
Owner
State
State Highway Agency

About this bridge

Ky 608 over I-75 Northbound is a prestressed concrete continuous stringer/multi-beam or girder carrying Ky 608 over I-75 Northbound in Scott County, Kentucky. It was built in 2007, so it is 18 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 232 vehicles a day, projected to reach 232 by 2043. The structure is 250 ft (76.1 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesKy 608
CrossesI-75 Northbound
Location0.3 MI W of JCT US 25
RouteState Highway 608
CountyScott County
StateKentucky
Coordinates38.4325, -84.57194
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating103.5 US tons
Inventory rating62.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length250 ft (76.1 m)
Longest span131 ft (39.9 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic232 (2023)
Projected traffic232 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ky 608 over I-75 Northbound built?

It was built in 2007, making it 18 years old in 2025.

What condition is Ky 608 over I-75 Northbound in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Ky 608 over I-75 Northbound carry?

About 232 vehicles per day (2023 count).

How long is Ky 608 over I-75 Northbound?

The structure is 250 ft (76.1 m) long with a longest span of 131 ft (39.9 m) and a deck 31 ft wide.

Who owns Ky 608 over I-75 Northbound?

It is owned by the State Highway Agency.