US Bridges

KY-799 over N.Fk.Triplett Creek

Fair

Rowan County, Kentucky · .30 MI East of JCT Ky 377 · Structure no. 103B00034N

Built
1968
57 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
652
2022 count
Owner
State
State Highway Agency

About this bridge

KY-799 over N.Fk.Triplett Creek is a prestressed concrete box beam or girders - multiple carrying KY-799 over N.Fk.Triplett Creek in Rowan County, Kentucky. It was built in 1968, so it is 57 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 652 vehicles a day, projected to reach 652 by 2042. The structure is 61 ft (18.6 m) long and 21 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesKY-799
CrossesN.Fk.Triplett Creek
Location.30 MI East of JCT Ky 377
RouteState Highway 799
CountyRowan County
StateKentucky
Coordinates38.29389, -83.39083
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating76.7 US tons
Inventory rating46 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span58 ft (17.7 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic652 (2022)
Projected traffic652 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

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$144,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-799 over N.Fk.Triplett Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is KY-799 over N.Fk.Triplett 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 May 2024.

How much traffic does KY-799 over N.Fk.Triplett Creek carry?

About 652 vehicles per day (2022 count).

How long is KY-799 over N.Fk.Triplett Creek?

The structure is 61 ft (18.6 m) long with a longest span of 58 ft (17.7 m) and a deck 21 ft wide.

Who owns KY-799 over N.Fk.Triplett Creek?

It is owned by the State Highway Agency.