US Bridges

I-75 Nc over I275 E&w-Ramps D-G

Fair

Kenton County, Kentucky · SB Mainline I75 @I275 Ntr · Structure no. 059B00053L

Built
1971
54 years old, rebuilt 1994
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
4 main spans
Daily traffic
98,465
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 Nc over I275 E&w-Ramps D-G is a steel continuous stringer/multi-beam or girder carrying I-75 Nc over I275 E&w-Ramps D-G in Kenton County, Kentucky. It was built in 1971 and reconstructed in 1994, so it is 54 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 98,465 vehicles a day, roughly 15% of them trucks, projected to reach 108,311 by 2043. The structure is 250 ft (76.3 m) long and 65 ft wide.

Location

Open in Google Maps
CarriesI-75 Nc
CrossesI275 E&w-Ramps D-G
LocationSB Mainline I75 @I275 Ntr
RouteInterstate 75
CountyKenton County
StateKentucky
Coordinates39.035, -84.59972
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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating34.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length250 ft (76.3 m)
Longest span72 ft (21.9 m)
Deck width65 ft (19.9 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98,465 (2023)
Projected traffic108,311 by 2043
Trucks15%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 Nc over I275 E&w-Ramps D-G built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1994.

What condition is I-75 Nc over I275 E&w-Ramps D-G 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 2023.

How much traffic does I-75 Nc over I275 E&w-Ramps D-G carry?

About 98,465 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I-75 Nc over I275 E&w-Ramps D-G?

The structure is 250 ft (76.3 m) long with a longest span of 72 ft (21.9 m) and a deck 65 ft wide.

Who owns I-75 Nc over I275 E&w-Ramps D-G?

It is owned by the State Highway Agency.