US Bridges

KY-523 over Lasley Run

GoodPosted for load

Nelson County, Kentucky · 2.1 MI S.W. of JCT US 31E · Structure no. 090B00071N

Built
1959
66 years old
Condition
Good
inspected February 2023
Type
Tee Beam
Concrete Continuous
Length
203 ft
3 main spans
Daily traffic
678
2022 count
Owner
State
State Highway Agency

About this bridge

KY-523 over Lasley Run is a concrete continuous tee beam carrying KY-523 over Lasley Run in Nelson County, Kentucky. It was built in 1959, so it is 66 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 678 vehicles a day, projected to reach 678 by 2042. The structure is 203 ft (61.8 m) long and 29 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesKY-523
CrossesLasley Run
Location2.1 MI S.W. of JCT US 31E
RouteState Highway 523
CountyNelson County
StateKentucky
Coordinates37.94389, -85.50583
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.7 US tons
Inventory rating31.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length203 ft (61.8 m)
Longest span80 ft (24.4 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic678 (2022)
Projected traffic678 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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-523 over Lasley Run built?

It was built in 1959, making it 66 years old in 2025.

What condition is KY-523 over Lasley Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does KY-523 over Lasley Run carry?

About 678 vehicles per day (2022 count).

How long is KY-523 over Lasley Run?

The structure is 203 ft (61.8 m) long with a longest span of 80 ft (24.4 m) and a deck 29 ft wide.

Who owns KY-523 over Lasley Run?

It is owned by the State Highway Agency.