US Bridges

I-471 over Ky 8

Fair

Campbell County, Kentucky · NB App SP to D Beard Br · Structure no. 019B00082R

Built
1976
49 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
444 ft
5 main spans
Daily traffic
49,642
2022 count
Owner
State
State Highway Agency

About this bridge

I-471 over Ky 8 is a steel continuous stringer/multi-beam or girder carrying I-471 over Ky 8 in Campbell County, Kentucky. It was built in 1976, so it is 49 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 49,642 vehicles a day, roughly 8% of them trucks, projected to reach 54,606 by 2042. The structure is 444 ft (135.4 m) long and 55 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesI-471
CrossesKy 8
LocationNB App SP to D Beard Br
RouteInterstate 471
CountyCampbell County
StateKentucky
Coordinates39.09917, -84.49167
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.8 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length444 ft (135.4 m)
Longest span112 ft (34.2 m)
Deck width55 ft (16.9 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,642 (2022)
Projected traffic54,606 by 2042
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost$499,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-471 over Ky 8 built?

It was built in 1976, making it 49 years old in 2025.

What condition is I-471 over Ky 8 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 September 2024.

How much traffic does I-471 over Ky 8 carry?

About 49,642 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is I-471 over Ky 8?

The structure is 444 ft (135.4 m) long with a longest span of 112 ft (34.2 m) and a deck 55 ft wide.

Who owns I-471 over Ky 8?

It is owned by the State Highway Agency.