US Bridges

I-75 Nc over Turfway Road (ky 1017)

Fair

Boone County, Kentucky · Sbl 1.0 MI N Ky 18 Ntrch · Structure no. 008B00040L

Built
1960
65 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
159 ft
3 main spans
Daily traffic
90,720
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 Nc over Turfway Road (ky 1017) is a concrete tee beam carrying I-75 Nc over Turfway Road (ky 1017) in Boone County, Kentucky. It was built in 1960, so it is 65 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 90,720 vehicles a day, roughly 16% of them trucks, projected to reach 99,792 by 2043. The structure is 159 ft (48.5 m) long and 108 ft wide.

Location

Open in Google Maps
CarriesI-75 Nc
CrossesTurfway Road (ky 1017)
LocationSbl 1.0 MI N Ky 18 Ntrch
RouteInterstate 75
CountyBoone County
StateKentucky
Coordinates39.01306, -84.63083
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating92.2 US tons
Inventory rating55.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span50 ft (15.2 m)
Deck width108 ft (32.8 m)
Roadway width105 ft (31.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90,720 (2023)
Projected traffic99,792 by 2043
Trucks16%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 Nc over Turfway Road (ky 1017) built?

It was built in 1960, making it 65 years old in 2025.

What condition is I-75 Nc over Turfway Road (ky 1017) 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-75 Nc over Turfway Road (ky 1017) carry?

About 90,720 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is I-75 Nc over Turfway Road (ky 1017)?

The structure is 159 ft (48.5 m) long with a longest span of 50 ft (15.2 m) and a deck 108 ft wide.

Who owns I-75 Nc over Turfway Road (ky 1017)?

It is owned by the State Highway Agency.