US Bridges

KY-40 over State Road Fork

FairPosted for load

Johnson County, Kentucky · 0.8 MI SW of JCT KY-580 · Structure no. 058B00079N

Built
1997
28 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
1,530
2020 count
Owner
State
State Highway Agency

About this bridge

KY-40 over State Road Fork is a concrete culvert carrying KY-40 over State Road Fork in Johnson County, Kentucky. It was built in 1997, so it is 28 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. Its operating status is: posted for load restriction.

It carries about 1,530 vehicles a day, roughly 7% of them trucks, projected to reach 1,530 by 2040. The structure is 32 ft (9.9 m) long and 79 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesKY-40
CrossesState Road Fork
Location0.8 MI SW of JCT KY-580
RouteState Highway 40
CountyJohnson County
StateKentucky
Coordinates37.82, -82.88889
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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
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 rating43 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length32 ft (9.9 m)
Longest span15 ft (4.7 m)
Deck width79 ft (24.1 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,530 (2020)
Projected traffic1,530 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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-40 over State Road Fork built?

It was built in 1997, making it 28 years old in 2025.

What condition is KY-40 over State Road 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 October 2023.

How much traffic does KY-40 over State Road Fork carry?

About 1,530 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is KY-40 over State Road Fork?

The structure is 32 ft (9.9 m) long with a longest span of 15 ft (4.7 m) and a deck 79 ft wide.

Who owns KY-40 over State Road Fork?

It is owned by the State Highway Agency.