US Bridges

KY-80B over NS (cno&tp) System

Fair

Pulaski County, Kentucky · .10 MI East of JCT US 27 · Structure no. 100B00064N

Built
1971
54 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
169 ft
3 main spans
Daily traffic
20,743
2023 count
Owner
State
State Highway Agency

About this bridge

KY-80B over NS (cno&tp) System is a prestressed concrete stringer/multi-beam or girder carrying KY-80B over NS (cno&tp) System in Pulaski County, Kentucky. It was built in 1971, so it is 54 years old, older 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 20,743 vehicles a day, roughly 9% of them trucks, projected to reach 20,743 by 2043. The structure is 169 ft (51.5 m) long and 89 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesKY-80B
CrossesNS (cno&tp) System
Location.10 MI East of JCT US 27
RouteState Highway 80
CountyPulaski County
StateKentucky
Coordinates37.09611, -84.61806
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.6 US tons
Inventory rating62.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span65 ft (19.8 m)
Deck width89 ft (27 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,743 (2023)
Projected traffic20,743 by 2043
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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-80B over NS (cno&tp) System built?

It was built in 1971, making it 54 years old in 2025.

What condition is KY-80B over NS (cno&tp) System 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-80B over NS (cno&tp) System carry?

About 20,743 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is KY-80B over NS (cno&tp) System?

The structure is 169 ft (51.5 m) long with a longest span of 65 ft (19.8 m) and a deck 89 ft wide.

Who owns KY-80B over NS (cno&tp) System?

It is owned by the State Highway Agency.