US Bridges

KY-166 over Bayou De Chien

FairPosted for load

Fulton County, Kentucky · .05 MI East of JCT Ky 112 · Structure no. 038B00022N

Built
1938
87 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
99 ft
3 main spans
Daily traffic
1,099
2022 count
Owner
State
State Highway Agency

About this bridge

KY-166 over Bayou De Chien is a concrete tee beam carrying KY-166 over Bayou De Chien in Fulton County, Kentucky. It was built in 1938, so it is 87 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,099 vehicles a day, roughly 18% of them trucks, projected to reach 1,099 by 2042. The structure is 99 ft (30.2 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesKY-166
CrossesBayou De Chien
Location.05 MI East of JCT Ky 112
RouteState Highway 166
CountyFulton County
StateKentucky
Coordinates36.51694, -88.965
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.2 US tons
Inventory rating39.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length99 ft (30.2 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,099 (2022)
Projected traffic1,099 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$335,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-166 over Bayou De Chien built?

It was built in 1938, making it 87 years old in 2025.

What condition is KY-166 over Bayou De Chien 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 February 2024.

How much traffic does KY-166 over Bayou De Chien carry?

About 1,099 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is KY-166 over Bayou De Chien?

The structure is 99 ft (30.2 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns KY-166 over Bayou De Chien?

It is owned by the State Highway Agency.