US Bridges

KY-66 over South Fork-Ky.River

Fair

Clay County, Kentucky · .10 MI SW of JCT Ky 1482 · Structure no. 026B00094N

Built
1982
43 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
395 ft
3 main spans
Daily traffic
1,236
2023 count
Owner
State
State Highway Agency

About this bridge

KY-66 over South Fork-Ky.River is a steel continuous stringer/multi-beam or girder carrying KY-66 over South Fork-Ky.River in Clay County, Kentucky. It was built in 1982, so it is 43 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 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 1,236 vehicles a day, projected to reach 1,236 by 2043. The structure is 395 ft (120.5 m) long and 31 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesKY-66
CrossesSouth Fork-Ky.River
Location.10 MI SW of JCT Ky 1482
RouteState Highway 66
CountyClay County
StateKentucky
Coordinates37.27361, -83.64639
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating42.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length395 ft (120.5 m)
Longest span160 ft (48.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,236 (2023)
Projected traffic1,236 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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-66 over South Fork-Ky.River built?

It was built in 1982, making it 43 years old in 2025.

What condition is KY-66 over South Fork-Ky.River 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 2024.

How much traffic does KY-66 over South Fork-Ky.River carry?

About 1,236 vehicles per day (2023 count).

How long is KY-66 over South Fork-Ky.River?

The structure is 395 ft (120.5 m) long with a longest span of 160 ft (48.8 m) and a deck 31 ft wide.

Who owns KY-66 over South Fork-Ky.River?

It is owned by the State Highway Agency.