US Bridges

KY-14 over I-75 @ 171.65

Fair

Boone County, Kentucky · .75 Mi. W JCT US 25 · Structure no. 008B00085N

Built
1979
46 years old, rebuilt 1999
Condition
Fair
inspected June 2021
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
163 ft
2 main spans
Daily traffic
3,562
2022 count
Owner
State
State Highway Agency

About this bridge

KY-14 over I-75 @ 171.65 is a prestressed concrete continuous box beam or girders - single or spread carrying KY-14 over I-75 @ 171.65 in Boone County, Kentucky. It was built in 1979 and reconstructed in 1999, so it is 46 years old, younger 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 3,562 vehicles a day, roughly 16% of them trucks, projected to reach 3,562 by 2042. The structure is 163 ft (49.7 m) long and 95 ft wide.

Location

Open in Google Maps
CarriesKY-14
CrossesI-75 @ 171.65
Location.75 Mi. W JCT US 25
RouteState Highway 14
CountyBoone County
StateKentucky
Coordinates38.85889, -84.62306
Functional classUrban Collector

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 2021
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 alignment7: Better than present minimum criteria
Operating rating81.1 US tons
Inventory rating48.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span78 ft (23.8 m)
Deck width95 ft (29.1 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,562 (2022)
Projected traffic3,562 by 2042
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-14 over I-75 @ 171.65 built?

It was built in 1979, making it 46 years old in 2025. It was reconstructed in 1999.

What condition is KY-14 over I-75 @ 171.65 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 2021.

How much traffic does KY-14 over I-75 @ 171.65 carry?

About 3,562 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is KY-14 over I-75 @ 171.65?

The structure is 163 ft (49.7 m) long with a longest span of 78 ft (23.8 m) and a deck 95 ft wide.

Who owns KY-14 over I-75 @ 171.65?

It is owned by the State Highway Agency.