US Bridges

Graytown RD over Middle Fork

FairPosted for load

Knox County, Kentucky · .05 MI E JCT Ky 223 · Structure no. 061C00079N

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
33
2006 count
Owner
County
County Highway Agency

About this bridge

Graytown RD over Middle Fork is a prestressed concrete box beam or girders - multiple carrying Graytown RD over Middle Fork in Knox County, Kentucky. It was built in 1989, so it is 36 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 33 vehicles a day, projected to reach 46 by 2026. The structure is 28 ft (8.5 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesGraytown RD
CrossesMiddle Fork
Location.05 MI E JCT Ky 223
RouteCounty Highway 1022
CountyKnox County
StateKentucky
Coordinates36.89694, -83.70278
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.9 US tons
Inventory rating34.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length28 ft (8.5 m)
Longest span20 ft (6.1 m)
Deck width15 ft (4.6 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2006)
Projected traffic46 by 2026
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Graytown RD over Middle Fork built?

It was built in 1989, making it 36 years old in 2025.

What condition is Graytown RD over Middle 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 September 2024.

How much traffic does Graytown RD over Middle Fork carry?

About 33 vehicles per day (2006 count).

How long is Graytown RD over Middle Fork?

The structure is 28 ft (8.5 m) long with a longest span of 20 ft (6.1 m) and a deck 15 ft wide.

Who owns Graytown RD over Middle Fork?

It is owned by the County Highway Agency.