US Bridges

KY-80 over Sinking Valley

Fair

Pulaski County, Kentucky · 2.9 Mi. East Ky 1003 · Structure no. 100B00088N

Built
1983
42 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
6,885
2022 count
Owner
State
State Highway Agency

About this bridge

KY-80 over Sinking Valley is a concrete continuous culvert carrying KY-80 over Sinking Valley in Pulaski County, Kentucky. It was built in 1983, so it is 42 years old, younger 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 6,885 vehicles a day, roughly 28% of them trucks, projected to reach 6,885 by 2042. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKY-80
CrossesSinking Valley
Location2.9 Mi. East Ky 1003
RouteState Highway 80
CountyPulaski County
StateKentucky
Coordinates37.15972, -84.41167
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,885 (2022)
Projected traffic6,885 by 2042
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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-80 over Sinking Valley built?

It was built in 1983, making it 42 years old in 2025.

What condition is KY-80 over Sinking Valley 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 June 2023.

How much traffic does KY-80 over Sinking Valley carry?

About 6,885 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is KY-80 over Sinking Valley?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m).

Who owns KY-80 over Sinking Valley?

It is owned by the State Highway Agency.