US Bridges

KY-15 over Carr Fork Reservoir

Fair

Knott County, Kentucky · 0.10 MI W of JCT Ky 160 · Structure no. 060B00058N

Built
1972
53 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
341 ft
3 main spans
Daily traffic
4,604
2021 count
Owner
State
State Highway Agency

About this bridge

KY-15 over Carr Fork Reservoir is a steel continuous stringer/multi-beam or girder carrying KY-15 over Carr Fork Reservoir in Knott County, Kentucky. It was built in 1972, so it is 53 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 4,604 vehicles a day, roughly 21% of them trucks, projected to reach 4,604 by 2041. The structure is 341 ft (104 m) long and 35 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

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CarriesKY-15
CrossesCarr Fork Reservoir
Location0.10 MI W of JCT Ky 160
RouteState Highway 15
CountyKnott County
StateKentucky
Coordinates37.22472, -82.97722
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.4 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length341 ft (104 m)
Longest span126 ft (38.4 m)
Deck width35 ft (10.7 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,604 (2021)
Projected traffic4,604 by 2041
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-15 over Carr Fork Reservoir built?

It was built in 1972, making it 53 years old in 2025.

What condition is KY-15 over Carr Fork Reservoir 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 2024.

How much traffic does KY-15 over Carr Fork Reservoir carry?

About 4,604 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is KY-15 over Carr Fork Reservoir?

The structure is 341 ft (104 m) long with a longest span of 126 ft (38.4 m) and a deck 35 ft wide.

Who owns KY-15 over Carr Fork Reservoir?

It is owned by the State Highway Agency.