US Bridges

KY-66 over Lost Fork-Straight Crk

Fair

Bell County, Kentucky · 3.97 MI NE JCT US 25E · Structure no. 007B00121N

Built
1988
37 years old
Condition
Fair
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
208 ft
3 main spans
Daily traffic
1,781
2023 count
Owner
State
State Highway Agency

About this bridge

KY-66 over Lost Fork-Straight Crk is a prestressed concrete continuous stringer/multi-beam or girder carrying KY-66 over Lost Fork-Straight Crk in Bell County, Kentucky. It was built in 1988, so it is 37 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 1,781 vehicles a day, roughly 14% of them trucks, projected to reach 1,781 by 2043. The structure is 208 ft (63.4 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesKY-66
CrossesLost Fork-Straight Crk
Location3.97 MI NE JCT US 25E
RouteState Highway 66
CountyBell County
StateKentucky
Coordinates36.79833, -83.65972
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.1 US tons
Inventory rating37.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span80 ft (24.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,781 (2023)
Projected traffic1,781 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Lost Fork-Straight Crk built?

It was built in 1988, making it 37 years old in 2025.

What condition is KY-66 over Lost Fork-Straight Crk 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 2022.

How much traffic does KY-66 over Lost Fork-Straight Crk carry?

About 1,781 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is KY-66 over Lost Fork-Straight Crk?

The structure is 208 ft (63.4 m) long with a longest span of 80 ft (24.4 m) and a deck 33 ft wide.

Who owns KY-66 over Lost Fork-Straight Crk?

It is owned by the State Highway Agency.