US Bridges

KY-7 over Rockhouse Creek

Fair

Letcher County, Kentucky · .05 MI S of JCT Ky 1410 · Structure no. 067B00080N

Built
1976
49 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
77 ft
2 main spans
Daily traffic
843
2021 count
Owner
State
State Highway Agency

About this bridge

KY-7 over Rockhouse Creek is a prestressed concrete box beam or girders - multiple carrying KY-7 over Rockhouse Creek in Letcher County, Kentucky. It was built in 1976, so it is 49 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 5 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 843 vehicles a day, roughly 13% of them trucks, projected to reach 843 by 2041. The structure is 77 ft (23.5 m) long and 24 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesKY-7
CrossesRockhouse Creek
Location.05 MI S of JCT Ky 1410
RouteState Highway 7
CountyLetcher County
StateKentucky
Coordinates37.22278, -82.85611
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84.2 US tons
Inventory rating50.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic843 (2021)
Projected traffic843 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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-7 over Rockhouse Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is KY-7 over Rockhouse 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-7 over Rockhouse Creek carry?

About 843 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is KY-7 over Rockhouse Creek?

The structure is 77 ft (23.5 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

Who owns KY-7 over Rockhouse Creek?

It is owned by the State Highway Agency.