US Bridges

KY-1879 over Laysons Branch

Good

Bourbon County, Kentucky · 1.4 MI N of JCT US 68 · Structure no. 009B00055N

Built
1969
56 years old
Condition
Good
inspected February 2024
Type
Culvert
Steel
Length
53 ft
2 main spans
Daily traffic
1,058
2023 count
Owner
State
State Highway Agency

About this bridge

KY-1879 over Laysons Branch is a steel culvert carrying KY-1879 over Laysons Branch in Bourbon County, Kentucky. It was built in 1969, so it is 56 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 1,058 vehicles a day, roughly 9% of them trucks, projected to reach 1,058 by 2043. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesKY-1879
CrossesLaysons Branch
Location1.4 MI N of JCT US 68
RouteState Highway 1879
Coordinates38.32639, -84.15278
Functional classRural Major 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,058 (2023)
Projected traffic1,058 by 2043
Trucks9%
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-1879 over Laysons Branch built?

It was built in 1969, making it 56 years old in 2025.

What condition is KY-1879 over Laysons Branch 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-1879 over Laysons Branch carry?

About 1,058 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is KY-1879 over Laysons Branch?

The structure is 53 ft (16.2 m) long with a longest span of 21 ft (6.4 m).

Who owns KY-1879 over Laysons Branch?

It is owned by the State Highway Agency.