US Bridges

KY-523 over Lasley Run

Good

Nelson County, Kentucky · 1.7 MI S.W. of JCT US 31E · Structure no. 090B00072N

Built
1959
66 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
523
2021 count
Owner
State
State Highway Agency

About this bridge

KY-523 over Lasley Run is a concrete culvert 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.

It carries about 523 vehicles a day, projected to reach 523 by 2041. The structure is 33 ft (10.2 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesKY-523
CrossesLasley Run
Location1.7 MI S.W. of JCT US 31E
RouteState Highway 523
CountyNelson County
StateKentucky
Coordinates37.94611, -85.49667
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length33 ft (10.2 m)
Longest span16 ft (4.9 m)
Deck width36 ft (11 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic523 (2021)
Projected traffic523 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 2024.

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

About 523 vehicles per day (2021 count).

How long is KY-523 over Lasley Run?

The structure is 33 ft (10.2 m) long with a longest span of 16 ft (4.9 m) and a deck 36 ft wide.

Who owns KY-523 over Lasley Run?

It is owned by the State Highway Agency.