US Bridges

KY-582 over Mallet Branch

Fair

Knott County, Kentucky · 0.5 MI E of JCT Ky 1393 · Structure no. 060B00030N

Built
1950
75 years old
Condition
Fair
inspected June 2021
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,276
2022 count
Owner
State
State Highway Agency

About this bridge

KY-582 over Mallet Branch is a concrete culvert carrying KY-582 over Mallet Branch in Knott County, Kentucky. It was built in 1950, so it is 75 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 1,276 vehicles a day, roughly 7% of them trucks, projected to reach 1,276 by 2042. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesKY-582
CrossesMallet Branch
Location0.5 MI E of JCT Ky 1393
RouteState Highway 582
CountyKnott County
StateKentucky
Coordinates37.27583, -82.89056
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 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 evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.9 US tons
Inventory rating37.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,276 (2022)
Projected traffic1,276 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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-582 over Mallet Branch built?

It was built in 1950, making it 75 years old in 2025.

What condition is KY-582 over Mallet 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 June 2021.

How much traffic does KY-582 over Mallet Branch carry?

About 1,276 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is KY-582 over Mallet Branch?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.4 m).

Who owns KY-582 over Mallet Branch?

It is owned by the State Highway Agency.