US Bridges

KY-635 over Buncombe Br.

FairPosted for load

Pulaski County, Kentucky · 2.7 MI S.E. of JCT Ky 70 · Structure no. 100B00042N

Built
1948
77 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
700
2021 count
Owner
State
State Highway Agency

About this bridge

KY-635 over Buncombe Br. is a concrete culvert carrying KY-635 over Buncombe Br. in Pulaski County, Kentucky. It was built in 1948, so it is 77 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 700 vehicles a day, roughly 11% of them trucks, projected to reach 700 by 2041. The structure is 27 ft (8.2 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesKY-635
CrossesBuncombe Br.
Location2.7 MI S.E. of JCT Ky 70
RouteState Highway 635
Coordinates37.19917, -84.70556
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width29 ft (8.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2021)
Projected traffic700 by 2041
Trucks11%
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

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-635 over Buncombe Br. built?

It was built in 1948, making it 77 years old in 2025.

What condition is KY-635 over Buncombe Br. 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 July 2024.

How much traffic does KY-635 over Buncombe Br. carry?

About 700 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is KY-635 over Buncombe Br.?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 29 ft wide.

Who owns KY-635 over Buncombe Br.?

It is owned by the State Highway Agency.