US Bridges

KY-9 over Three Mile Creek

Good

Campbell County, Kentucky · .2 Mi.S. JCT Ky 1632 · Structure no. 019B00077N

Built
1992
33 years old
Condition
Good
inspected August 2021
Type
Culvert
Concrete
Length
43 ft
2 main spans
Daily traffic
12,274
2023 count
Owner
State
State Highway Agency

About this bridge

KY-9 over Three Mile Creek is a concrete culvert carrying KY-9 over Three Mile Creek in Campbell County, Kentucky. It was built in 1992, so it is 33 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 12,274 vehicles a day, roughly 5% of them trucks, projected to reach 12,274 by 2043. The structure is 43 ft (13.2 m) long and 265 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesKY-9
CrossesThree Mile Creek
Location.2 Mi.S. JCT Ky 1632
RouteState Highway 9
Coordinates39.05278, -84.48889
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length43 ft (13.2 m)
Longest span21 ft (6.3 m)
Deck width265 ft (80.8 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,274 (2023)
Projected traffic12,274 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-9 over Three Mile Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is KY-9 over Three Mile Creek 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 August 2021.

How much traffic does KY-9 over Three Mile Creek carry?

About 12,274 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is KY-9 over Three Mile Creek?

The structure is 43 ft (13.2 m) long with a longest span of 21 ft (6.3 m) and a deck 265 ft wide.

Who owns KY-9 over Three Mile Creek?

It is owned by the State Highway Agency.