US Bridges

KY-559 over Dunaway Branch

Fair

Lewis County, Kentucky · .05 MI Sou. of JCT Ky 344 · Structure no. 068B00064N

Built
1968
57 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
37 ft
2 main spans
Daily traffic
177
2022 count
Owner
State
State Highway Agency

About this bridge

KY-559 over Dunaway Branch is a concrete culvert carrying KY-559 over Dunaway Branch in Lewis County, Kentucky. It was built in 1968, so it is 57 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 177 vehicles a day, projected to reach 177 by 2042. The structure is 37 ft (11.3 m) long and 28 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

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CarriesKY-559
CrossesDunaway Branch
Location.05 MI Sou. of JCT Ky 344
RouteState Highway 559
CountyLewis County
StateKentucky
Coordinates38.44278, -83.49167
Functional classRural Minor 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.7 US tons
Inventory rating35.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length37 ft (11.3 m)
Longest span18 ft (5.5 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic177 (2022)
Projected traffic177 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-559 over Dunaway Branch built?

It was built in 1968, making it 57 years old in 2025.

What condition is KY-559 over Dunaway Branch 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-559 over Dunaway Branch carry?

About 177 vehicles per day (2022 count).

How long is KY-559 over Dunaway Branch?

The structure is 37 ft (11.3 m) long with a longest span of 18 ft (5.5 m) and a deck 28 ft wide.

Who owns KY-559 over Dunaway Branch?

It is owned by the State Highway Agency.