US Bridges

Ky 1020 over Southern Ditch

Fair

Jefferson County, Kentucky · 200 Ft S of Ky 1065 · Structure no. 056B00418N

Built
1989
36 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
18,741
2023 count
Owner
State
State Highway Agency

About this bridge

Ky 1020 over Southern Ditch is a prestressed concrete continuous box beam or girders - single or spread carrying Ky 1020 over Southern Ditch in Jefferson 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.

It carries about 18,741 vehicles a day, roughly 18% of them trucks, projected to reach 18,741 by 2043. The structure is 133 ft (40.5 m) long and 89 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesKy 1020
CrossesSouthern Ditch
Location200 Ft S of Ky 1065
RouteState Highway 1020
CountyJefferson County
StateKentucky
Coordinates38.12611, -85.74889
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span52 ft (15.8 m)
Deck width89 ft (27.1 m)
Roadway width77 ft (23.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,741 (2023)
Projected traffic18,741 by 2043
Trucks18%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 1020 over Southern Ditch built?

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

What condition is Ky 1020 over Southern Ditch 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 February 2024.

How much traffic does Ky 1020 over Southern Ditch carry?

About 18,741 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Ky 1020 over Southern Ditch?

The structure is 133 ft (40.5 m) long with a longest span of 52 ft (15.8 m) and a deck 89 ft wide.

Who owns Ky 1020 over Southern Ditch?

It is owned by the State Highway Agency.