US Bridges

Slate Lick Road over Slate Lick Branch

Fair

Madison County, Kentucky · 1.3 MI S of Ky 21 · Structure no. 076C00031N

Built
1966
59 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
348
2021 count
Owner
County
County Highway Agency

About this bridge

Slate Lick Road over Slate Lick Branch is a prestressed concrete box beam or girders - multiple carrying Slate Lick Road over Slate Lick Branch in Madison County, Kentucky. It was built in 1966, so it is 59 years old, older 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 348 vehicles a day, projected to reach 348 by 2041. The structure is 31 ft (9.3 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSlate Lick Road
CrossesSlate Lick Branch
Location1.3 MI S of Ky 21
RouteCounty Highway 1221
CountyMadison County
StateKentucky
Coordinates37.5525, -84.30417
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86.9 US tons
Inventory rating52.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length31 ft (9.3 m)
Longest span27 ft (8.3 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic348 (2021)
Projected traffic348 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$79,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Slate Lick Road over Slate Lick Branch built?

It was built in 1966, making it 59 years old in 2025.

What condition is Slate Lick Road over Slate Lick Branch 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 March 2024.

How much traffic does Slate Lick Road over Slate Lick Branch carry?

About 348 vehicles per day (2021 count).

How long is Slate Lick Road over Slate Lick Branch?

The structure is 31 ft (9.3 m) long with a longest span of 27 ft (8.3 m) and a deck 21 ft wide.

Who owns Slate Lick Road over Slate Lick Branch?

It is owned by the County Highway Agency.