US Bridges

KY-7 over Rockhouse Creek

FairPosted for load

Letcher County, Kentucky · 2.8 MI E of JCT Ky 1410 · Structure no. 067B00059N

Built
1951
74 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
66 ft
2 main spans
Daily traffic
676
2019 count
Owner
State
State Highway Agency

About this bridge

KY-7 over Rockhouse Creek is a concrete tee beam carrying KY-7 over Rockhouse Creek in Letcher County, Kentucky. It was built in 1951, so it is 74 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. Its operating status is: posted for load restriction.

It carries about 676 vehicles a day, roughly 13% of them trucks, projected to reach 676 by 2039. The structure is 66 ft (20.1 m) long and 26 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesKY-7
CrossesRockhouse Creek
Location2.8 MI E of JCT Ky 1410
RouteState Highway 7
Coordinates37.22389, -82.81583
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length66 ft (20.1 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic676 (2019)
Projected traffic676 by 2039
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$214,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-7 over Rockhouse Creek built?

It was built in 1951, making it 74 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 676 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is KY-7 over Rockhouse Creek?

The structure is 66 ft (20.1 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns KY-7 over Rockhouse Creek?

It is owned by the State Highway Agency.