US Bridges

KY-1987 over Trib of Lyons Branch

Good

Mercer County, Kentucky · .8 MI E of JCT Ky 1160 · Structure no. 084B00052N

Built
2008
17 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
244
2021 count
Owner
State
State Highway Agency

About this bridge

KY-1987 over Trib of Lyons Branch is a concrete culvert carrying KY-1987 over Trib of Lyons Branch in Mercer County, Kentucky. It was built in 2008, so it is 17 years old, younger 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 244 vehicles a day, projected to reach 244 by 2041. The structure is 20 ft (6.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKY-1987
CrossesTrib of Lyons Branch
Location.8 MI E of JCT Ky 1160
RouteState Highway 1987
Coordinates37.89333, -84.92778
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110 US tons
Inventory rating66 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic244 (2021)
Projected traffic244 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1987 over Trib of Lyons Branch built?

It was built in 2008, making it 17 years old in 2025.

What condition is KY-1987 over Trib of Lyons 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 August 2024.

How much traffic does KY-1987 over Trib of Lyons Branch carry?

About 244 vehicles per day (2021 count).

How long is KY-1987 over Trib of Lyons Branch?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns KY-1987 over Trib of Lyons Branch?

It is owned by the State Highway Agency.