US Bridges

White Oak Ch. Road over Big Clifty Creek

PoorPosted for load

Adair County, Kentucky · 2.93 MI Ea of Jct. 6183 · Structure no. 001C00058N

Built
2003
22 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
49 ft
2 main spans
Daily traffic
100
2010 count
Owner
County
County Highway Agency

About this bridge

White Oak Ch. Road over Big Clifty Creek is a steel continuous stringer/multi-beam or girder carrying White Oak Ch. Road over Big Clifty Creek in Adair County, Kentucky. It was built in 2003, so it is 22 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 7% of them trucks, projected to reach 100 by 2030. The structure is 49 ft (14.9 m) long and 20 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesWhite Oak Ch. Road
CrossesBig Clifty Creek
Location2.93 MI Ea of Jct. 6183
RouteCounty Highway 1156
Coordinates37.04722, -85.1825
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.6 US tons
Inventory rating11.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span22 ft (6.7 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2010)
Projected traffic100 by 2030
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 White Oak Ch. Road over Big Clifty Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is White Oak Ch. Road over Big Clifty Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does White Oak Ch. Road over Big Clifty Creek carry?

About 100 vehicles per day (2010 count), of which roughly 7% are trucks.

How long is White Oak Ch. Road over Big Clifty Creek?

The structure is 49 ft (14.9 m) long with a longest span of 22 ft (6.7 m) and a deck 20 ft wide.

Who owns White Oak Ch. Road over Big Clifty Creek?

It is owned by the County Highway Agency.