US Bridges

I-275 WB over I-471 N.B.

Fair

Campbell County, Kentucky · WB I275 over NB I471 · Structure no. 019B00043L

Built
1974
51 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
216 ft
1 main span
Daily traffic
37,368
2023 count
Owner
State
State Highway Agency

About this bridge

I-275 WB over I-471 N.B. is a steel stringer/multi-beam or girder carrying I-275 WB over I-471 N.B. in Campbell County, Kentucky. It was built in 1974, so it is 51 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 37,368 vehicles a day, roughly 7% of them trucks, projected to reach 41,104 by 2043. The structure is 216 ft (65.8 m) long and 60 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesI-275 WB
CrossesI-471 N.B.
LocationWB I275 over NB I471
RouteInterstate 275
CountyCampbell County
StateKentucky
Coordinates39.04667, -84.45722
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionAugust 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 geometry6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating110 US tons
Inventory rating72.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length216 ft (65.8 m)
Longest span205 ft (62.5 m)
Deck width60 ft (18.2 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,368 (2023)
Projected traffic41,104 by 2043
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5.6 mi (9 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-275 WB over I-471 N.B. built?

It was built in 1974, making it 51 years old in 2025.

What condition is I-275 WB over I-471 N.B. 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-275 WB over I-471 N.B. carry?

About 37,368 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I-275 WB over I-471 N.B.?

The structure is 216 ft (65.8 m) long with a longest span of 205 ft (62.5 m) and a deck 60 ft wide.

Who owns I-275 WB over I-471 N.B.?

It is owned by the State Highway Agency.