US Bridges

Kona DR over Boone Fork

Fair

Letcher County, Kentucky · @.0 Mi. JCT - Ky 805 &113 · Structure no. 067C00066N

Built
1993
32 years old
Condition
Fair
inspected May 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
1,074
2019 count
Owner
County
County Highway Agency

About this bridge

Kona DR over Boone Fork is a prestressed concrete box beam or girders - multiple carrying Kona DR over Boone Fork in Letcher County, Kentucky. It was built in 1993, so it is 32 years old, younger 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 1,074 vehicles a day, projected to reach 1,074 by 2039. The structure is 37 ft (11.3 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKona DR
CrossesBoone Fork
Location@.0 Mi. JCT - Ky 805 &113
RouteCounty Highway 1027
CountyLetcher County
StateKentucky
Coordinates37.15694, -82.74
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating47.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length37 ft (11.3 m)
Longest span34 ft (10.4 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,074 (2019)
Projected traffic1,074 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Kona DR over Boone Fork built?

It was built in 1993, making it 32 years old in 2025.

What condition is Kona DR over Boone 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 2021.

How much traffic does Kona DR over Boone Fork carry?

About 1,074 vehicles per day (2019 count).

How long is Kona DR over Boone Fork?

The structure is 37 ft (11.3 m) long with a longest span of 34 ft (10.4 m) and a deck 24 ft wide.

Who owns Kona DR over Boone Fork?

It is owned by the County Highway Agency.