US Bridges

Ferguson-Olmstead over Whippoorwill Creek

Fair

Logan County, Kentucky · .1 MI S JCT Ky 1151 · Structure no. 071C00068N

Built
1990
35 years old
Condition
Fair
inspected June 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
78
2022 count
Owner
County
County Highway Agency

About this bridge

Ferguson-Olmstead over Whippoorwill Creek is a prestressed concrete box beam or girders - multiple carrying Ferguson-Olmstead over Whippoorwill Creek in Logan County, Kentucky. It was built in 1990, so it is 35 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 78 vehicles a day, projected to reach 78 by 2042. The structure is 78 ft (23.8 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesFerguson-Olmstead
CrossesWhippoorwill Creek
Location.1 MI S JCT Ky 1151
RouteCounty Highway 1284
CountyLogan County
StateKentucky
Coordinates36.77972, -86.9775
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
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 inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating82.2 US tons
Inventory rating49.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length78 ft (23.8 m)
Longest span76 ft (23.3 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78 (2022)
Projected traffic78 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

OwnerCounty Highway Agency
Maintained byCounty 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 Ferguson-Olmstead over Whippoorwill Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ferguson-Olmstead over Whippoorwill 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 June 2021.

How much traffic does Ferguson-Olmstead over Whippoorwill Creek carry?

About 78 vehicles per day (2022 count).

How long is Ferguson-Olmstead over Whippoorwill Creek?

The structure is 78 ft (23.8 m) long with a longest span of 76 ft (23.3 m) and a deck 21 ft wide.

Who owns Ferguson-Olmstead over Whippoorwill Creek?

It is owned by the County Highway Agency.