US Bridges

KY-317 over Quillen Fork

FairPosted for load

Letcher County, Kentucky · 0.1 MI N of Yonts Fork · Structure no. 067B00126N

Built
1950
75 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
634
2020 count
Owner
State
State Highway Agency

About this bridge

KY-317 over Quillen Fork is a concrete culvert carrying KY-317 over Quillen Fork in Letcher 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 5 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 634 vehicles a day, roughly 4% of them trucks, projected to reach 634 by 2040. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 11.8 mi (19 km).

Location

No coordinates are recorded for this structure.

CarriesKY-317
CrossesQuillen Fork
Location0.1 MI N of Yonts Fork
RouteState Highway 317
CountyLetcher County
StateKentucky
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length30 ft (9.1 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 traffic634 (2020)
Projected traffic634 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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-317 over Quillen Fork built?

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

What condition is KY-317 over Quillen Fork 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 May 2024.

How much traffic does KY-317 over Quillen Fork carry?

About 634 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is KY-317 over Quillen Fork?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m).

Who owns KY-317 over Quillen Fork?

It is owned by the State Highway Agency.