US Bridges

KY-73 over Black Lick

Fair

Logan County, Kentucky · .8 MI N of JCT Ky 1466 · Structure no. 071B00013N

Built
1935
90 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
99 ft
3 main spans
Daily traffic
543
2022 count
Owner
State
State Highway Agency

About this bridge

KY-73 over Black Lick is a concrete tee beam carrying KY-73 over Black Lick in Logan County, Kentucky. It was built in 1935, so it is 90 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 543 vehicles a day, projected to reach 543 by 2042. The structure is 99 ft (30.2 m) long and 23 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesKY-73
CrossesBlack Lick
Location.8 MI N of JCT Ky 1466
RouteState Highway 73
CountyLogan County
StateKentucky
Coordinates36.90139, -86.67056
Functional classRural Minor 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
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 inspectionOctober 2023
Inspection intervalevery 48 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.2 US tons
Inventory rating45.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length99 ft (30.2 m)
Longest span30 ft (9.1 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic543 (2022)
Projected traffic543 by 2042
Trucks0%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-73 over Black Lick built?

It was built in 1935, making it 90 years old in 2025.

What condition is KY-73 over Black Lick 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-73 over Black Lick carry?

About 543 vehicles per day (2022 count).

How long is KY-73 over Black Lick?

The structure is 99 ft (30.2 m) long with a longest span of 30 ft (9.1 m) and a deck 23 ft wide.

Who owns KY-73 over Black Lick?

It is owned by the State Highway Agency.