US Bridges

Buttermilk Pike over NS (cno&tp) System

Fair

Kenton County, Kentucky · .25 MI N.W. of I-75 Op · Structure no. 059B00029N

Built
1965
60 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
3 main spans
Daily traffic
34,722
2023 count
Owner
State
State Highway Agency

About this bridge

Buttermilk Pike over NS (cno&tp) System is a steel continuous stringer/multi-beam or girder carrying Buttermilk Pike over NS (cno&tp) System in Kenton County, Kentucky. It was built in 1965, so it is 60 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 5 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 34,722 vehicles a day, roughly 6% of them trucks, projected to reach 34,722 by 2043. The structure is 183 ft (55.8 m) long and 85 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesButtermilk Pike
CrossesNS (cno&tp) System
Location.25 MI N.W. of I-75 Op
RouteState Highway 371
CountyKenton County
StateKentucky
Coordinates39.05028, -84.57639
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.2 US tons
Inventory rating27.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span75 ft (22.9 m)
Deck width85 ft (25.8 m)
Roadway width77 ft (23.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,722 (2023)
Projected traffic34,722 by 2043
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Buttermilk Pike over NS (cno&tp) System built?

It was built in 1965, making it 60 years old in 2025.

What condition is Buttermilk Pike 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 November 2023.

How much traffic does Buttermilk Pike over NS (cno&tp) System carry?

About 34,722 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Buttermilk Pike over NS (cno&tp) System?

The structure is 183 ft (55.8 m) long with a longest span of 75 ft (22.9 m) and a deck 85 ft wide.

Who owns Buttermilk Pike over NS (cno&tp) System?

It is owned by the State Highway Agency.