US Bridges

KY-577 over Buncomb Branch

FairPosted for load

Clay County, Kentucky · 1.1 MI NW of JCT Ky 1350 · Structure no. 026B00024N

Built
1949
76 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
108
2021 count
Owner
State
State Highway Agency

About this bridge

KY-577 over Buncomb Branch is a concrete culvert carrying KY-577 over Buncomb Branch in Clay County, Kentucky. It was built in 1949, so it is 76 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 108 vehicles a day, projected to reach 108 by 2041. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesKY-577
CrossesBuncomb Branch
Location1.1 MI NW of JCT Ky 1350
RouteState Highway 577
CountyClay County
StateKentucky
Coordinates37.32444, -83.79861
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating25 US tons
Inventory rating15 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length32 ft (9.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2021)
Projected traffic108 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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-577 over Buncomb Branch built?

It was built in 1949, making it 76 years old in 2025.

What condition is KY-577 over Buncomb 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 August 2024.

How much traffic does KY-577 over Buncomb Branch carry?

About 108 vehicles per day (2021 count).

How long is KY-577 over Buncomb Branch?

The structure is 32 ft (9.8 m) long with a longest span of 14 ft (4.3 m).

Who owns KY-577 over Buncomb Branch?

It is owned by the State Highway Agency.