US Bridges

I-275 EB over Reloc. Three Mile Rd.

Good

Campbell County, Kentucky · Ebl .25 West of I-471 · Structure no. 019B00046R

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

About this bridge

I-275 EB over Reloc. Three Mile Rd. is a concrete continuous tee beam carrying I-275 EB over Reloc. 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 41,605 vehicles a day, roughly 6% of them trucks, projected to reach 45,765 by 2043. The structure is 139 ft (42.3 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-275 EB
CrossesReloc. Three Mile Rd.
LocationEbl .25 West of I-471
RouteInterstate 275
CountyCampbell County
StateKentucky
Coordinates39.04389, -84.46778
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.1 US tons
Inventory rating48.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length139 ft (42.3 m)
Longest span53 ft (16.2 m)
Deck width60 ft (18.2 m)
Roadway width56 ft (17.1 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 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$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-275 EB over Reloc. Three Mile Rd. built?

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

What condition is I-275 EB over Reloc. Three Mile Rd. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does I-275 EB over Reloc. Three Mile Rd. carry?

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

How long is I-275 EB over Reloc. Three Mile Rd.?

The structure is 139 ft (42.3 m) long with a longest span of 53 ft (16.2 m) and a deck 60 ft wide.

Who owns I-275 EB over Reloc. Three Mile Rd.?

It is owned by the State Highway Agency.