US Bridges

KY-664 over Whippoorwill Crk

Fair

Logan County, Kentucky · .39 MI East of JCT US 431 · Structure no. 071B00054N

Built
1978
47 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
273
2022 count
Owner
State
State Highway Agency

About this bridge

KY-664 over Whippoorwill Crk is a prestressed concrete box beam or girders - multiple carrying KY-664 over Whippoorwill Crk in Logan County, Kentucky. It was built in 1978, so it is 47 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 273 vehicles a day, projected to reach 273 by 2042. The structure is 34 ft (10.4 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKY-664
CrossesWhippoorwill Crk
Location.39 MI East of JCT US 431
RouteState Highway 664
CountyLogan County
StateKentucky
Coordinates36.76278, -86.85917
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.7 US tons
Inventory rating61 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic273 (2022)
Projected traffic273 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-664 over Whippoorwill Crk built?

It was built in 1978, making it 47 years old in 2025.

What condition is KY-664 over Whippoorwill 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 November 2023.

How much traffic does KY-664 over Whippoorwill Crk carry?

About 273 vehicles per day (2022 count).

How long is KY-664 over Whippoorwill Crk?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 24 ft wide.

Who owns KY-664 over Whippoorwill Crk?

It is owned by the State Highway Agency.