US Bridges

I-75 Ramp over Ramp Donaldson to I-75

Fair

Kenton County, Kentucky · Rmp E-Nb I75 to I275 E&w · Structure no. 059B00072N

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
108 ft
1 main span
Daily traffic
196,929
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 Ramp over Ramp Donaldson to I-75 is a steel stringer/multi-beam or girder carrying I-75 Ramp over Ramp Donaldson to I-75 in Kenton County, Kentucky. It was built in 1977, so it is 48 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 196,929 vehicles a day, roughly 15% of them trucks, projected to reach 216,621 by 2043. The structure is 108 ft (32.9 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-75 Ramp
CrossesRamp Donaldson to I-75
LocationRmp E-Nb I75 to I275 E&w
RouteInterstate 75
CountyKenton County
StateKentucky
Coordinates39.03167, -84.60528
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating96.1 US tons
Inventory rating58.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length108 ft (32.9 m)
Longest span104 ft (31.7 m)
Deck width63 ft (19.1 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic196,929 (2023)
Projected traffic216,621 by 2043
Trucks15%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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-75 Ramp over Ramp Donaldson to I-75 built?

It was built in 1977, making it 48 years old in 2025.

What condition is I-75 Ramp over Ramp Donaldson to I-75 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 October 2023.

How much traffic does I-75 Ramp over Ramp Donaldson to I-75 carry?

About 196,929 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I-75 Ramp over Ramp Donaldson to I-75?

The structure is 108 ft (32.9 m) long with a longest span of 104 ft (31.7 m) and a deck 63 ft wide.

Who owns I-75 Ramp over Ramp Donaldson to I-75?

It is owned by the State Highway Agency.