US Bridges

KY-1812 over Johnson Fork

Good

Breathitt County, Kentucky · .75 MI NW of N-Jct Ky 205 · Structure no. 013B00086N

Built
2019
6 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
125
2021 count
Owner
State
State Highway Agency

About this bridge

KY-1812 over Johnson Fork is a prestressed concrete box beam or girders - multiple carrying KY-1812 over Johnson Fork in Breathitt County, Kentucky. It was built in 2019, so it is 6 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, projected to reach 125 by 2041. The structure is 33 ft (10.2 m) long and 24 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesKY-1812
CrossesJohnson Fork
Location.75 MI NW of N-Jct Ky 205
RouteState Highway 1812
Coordinates37.66167, -83.42
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating78.9 US tons
Inventory rating60.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length33 ft (10.2 m)
Longest span32 ft (9.8 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2021)
Projected traffic125 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

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-1812 over Johnson Fork built?

It was built in 2019, making it 6 years old in 2025.

What condition is KY-1812 over Johnson Fork in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does KY-1812 over Johnson Fork carry?

About 125 vehicles per day (2021 count).

How long is KY-1812 over Johnson Fork?

The structure is 33 ft (10.2 m) long with a longest span of 32 ft (9.8 m) and a deck 24 ft wide.

Who owns KY-1812 over Johnson Fork?

It is owned by the State Highway Agency.