US Bridges

I-471 Nc over US 27

Fair

Campbell County, Kentucky · 1.7 MI N of I-275 Intrch · Structure no. 019B00049L

Built
1977
48 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
354 ft
3 main spans
Daily traffic
45,302
2023 count
Owner
State
State Highway Agency

About this bridge

I-471 Nc over US 27 is a steel continuous stringer/multi-beam or girder carrying I-471 Nc over US 27 in Campbell County, Kentucky. It was built in 1977, so it is 48 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 45,302 vehicles a day, roughly 3% of them trucks, projected to reach 49,832 by 2043. The structure is 354 ft (108 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

No coordinates are recorded for this structure.

CarriesI-471 Nc
CrossesUS 27
Location1.7 MI N of I-275 Intrch
RouteInterstate 471
CountyCampbell County
StateKentucky
Functional classUrban Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.7 US tons
Inventory rating35.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length354 ft (108 m)
Longest span158 ft (48.2 m)
Deck width60 ft (18.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,302 (2023)
Projected traffic49,832 by 2043
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$2.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-471 Nc over US 27 built?

It was built in 1977, making it 48 years old in 2025.

What condition is I-471 Nc over US 27 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 August 2023.

How much traffic does I-471 Nc over US 27 carry?

About 45,302 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is I-471 Nc over US 27?

The structure is 354 ft (108 m) long with a longest span of 158 ft (48.2 m) and a deck 60 ft wide.

Who owns I-471 Nc over US 27?

It is owned by the State Highway Agency.