US Bridges

Dunnville RD over Busby Hollow

FairPosted for load

Adair County, Kentucky · .5 MI E of JCT Ky 2289 · Structure no. 001C00026N

Built
1936
89 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
34 ft
2 main spans
Daily traffic
150
2019 count
Owner
County
County Highway Agency

About this bridge

Dunnville RD over Busby Hollow is a concrete slab carrying Dunnville RD over Busby Hollow in Adair County, Kentucky. It was built in 1936, so it is 89 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, projected to reach 150 by 2039. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesDunnville RD
CrossesBusby Hollow
Location.5 MI E of JCT Ky 2289
RouteCounty Highway 1031
CountyAdair County
StateKentucky
Coordinates37.1875, -85.11583
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span11 ft (3.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2019)
Projected traffic150 by 2039
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Dunnville RD over Busby Hollow built?

It was built in 1936, making it 89 years old in 2025.

What condition is Dunnville RD over Busby Hollow 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 September 2023.

How much traffic does Dunnville RD over Busby Hollow carry?

About 150 vehicles per day (2019 count).

How long is Dunnville RD over Busby Hollow?

The structure is 34 ft (10.4 m) long with a longest span of 11 ft (3.4 m) and a deck 26 ft wide.

Who owns Dunnville RD over Busby Hollow?

It is owned by the County Highway Agency.