US Bridges

I-275 WB over Relocatd Three Mile RD

Fair

Campbell County, Kentucky · Wbl .25 West of I-471 · Structure no. 019B00046L

Built
1974
51 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
163 ft
3 main spans
Daily traffic
41,605
2023 count
Owner
State
State Highway Agency

About this bridge

I-275 WB over Relocatd Three Mile RD is a concrete continuous tee beam carrying I-275 WB over Relocatd Three Mile RD 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 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 41,605 vehicles a day, roughly 6% of them trucks, projected to reach 45,765 by 2043. The structure is 163 ft (49.8 m) long and 75 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-275 WB
CrossesRelocatd Three Mile RD
LocationWbl .25 West of I-471
RouteInterstate 275
CountyCampbell County
StateKentucky
Coordinates39.04361, -84.4675
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 alignment9: Superior to present desirable criteria
Operating rating81.4 US tons
Inventory rating48.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.8 m)
Longest span58 ft (17.8 m)
Deck width75 ft (22.9 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,605 (2023)
Projected traffic45,765 by 2043
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-275 WB over Relocatd Three Mile RD built?

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

What condition is I-275 WB over Relocatd Three Mile RD 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 Relocatd Three Mile RD carry?

About 41,605 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I-275 WB over Relocatd Three Mile RD?

The structure is 163 ft (49.8 m) long with a longest span of 58 ft (17.8 m) and a deck 75 ft wide.

Who owns I-275 WB over Relocatd Three Mile RD?

It is owned by the State Highway Agency.