US Bridges

KY-80 over Louie B. Nunn Pkwy

Good

Pulaski County, Kentucky · 4.3 MI SE of Casey Co.Ln. · Structure no. 100B00067L

Built
1978
47 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
272 ft
4 main spans
Daily traffic
954
2021 count
Owner
State
State Highway Agency

About this bridge

KY-80 over Louie B. Nunn Pkwy is a steel continuous stringer/multi-beam or girder carrying KY-80 over Louie B. Nunn Pkwy in Pulaski County, Kentucky. It was built in 1978, so it is 47 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 954 vehicles a day, roughly 10% of them trucks, projected to reach 954 by 2041. The structure is 272 ft (82.9 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKY-80
CrossesLouie B. Nunn Pkwy
Location4.3 MI SE of Casey Co.Ln.
RouteState Highway 80
CountyPulaski County
StateKentucky
Coordinates37.0925, -84.80083
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length272 ft (82.9 m)
Longest span70 ft (21.3 m)
Deck width40 ft (12.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic954 (2021)
Projected traffic954 by 2041
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-80 over Louie B. Nunn Pkwy built?

It was built in 1978, making it 47 years old in 2025.

What condition is KY-80 over Louie B. Nunn Pkwy 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 July 2024.

How much traffic does KY-80 over Louie B. Nunn Pkwy carry?

About 954 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is KY-80 over Louie B. Nunn Pkwy?

The structure is 272 ft (82.9 m) long with a longest span of 70 ft (21.3 m) and a deck 40 ft wide.

Who owns KY-80 over Louie B. Nunn Pkwy?

It is owned by the State Highway Agency.