US Bridges

KY-915 over Riffle Creek

Fair

Campbell County, Kentucky · 3.7 Mi. N. JCT JCT Ky 10 · Structure no. 019B00058N

Built
1979
46 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
775
2021 count
Owner
State
State Highway Agency

About this bridge

KY-915 over Riffle Creek is a prestressed concrete stringer/multi-beam or girder carrying KY-915 over Riffle Creek in Campbell County, Kentucky. It was built in 1979, 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 775 vehicles a day, roughly 9% of them trucks, projected to reach 775 by 2041. The structure is 72 ft (21.9 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesKY-915
CrossesRiffle Creek
Location3.7 Mi. N. JCT JCT Ky 10
RouteState Highway 915
CountyCampbell County
StateKentucky
Coordinates38.98444, -84.42056
Functional classRural Major 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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83.6 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span66 ft (20.1 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic775 (2021)
Projected traffic775 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 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-915 over Riffle Creek built?

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

What condition is KY-915 over Riffle Creek 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 August 2023.

How much traffic does KY-915 over Riffle Creek carry?

About 775 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is KY-915 over Riffle Creek?

The structure is 72 ft (21.9 m) long with a longest span of 66 ft (20.1 m) and a deck 37 ft wide.

Who owns KY-915 over Riffle Creek?

It is owned by the State Highway Agency.