I-75 SB and Ramp over Donaldson Rd (ky 236)
Kenton County, Kentucky · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-75 SB and Ramp over Donaldson Rd (ky 236) in Kenton County, Kentucky, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2000, making it 25 years old at the 2025 inventory.
- It carries about 196,929 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 56 of the 142 inventoried bridges in Kenton County rated good (39.4%); 14 (9.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated October 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (39.02611, -84.61306)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 160 ft |
| Location | .4 Mi.ne Boone Co Line |
| NBI structure number | 059B00103N |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Kenton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 S Ramp over I275-i75-g&d Ramps | 1971 | 196,929 | Fair |
| I-75 Ramp over Ramp Donaldson to I-75 | 1977 | 196,929 | Fair |
| I-75 Ramp over 9TH St (I-75NB) Rampg | 1993 | 159,350 | Good |
| I-75 Ramp over 9TH St (cov) | 1993 | 159,350 | Good |
| I-75 Ramp over 9TH St-covington | 1993 | 159,350 | Fair |
| I-75 Ramp over Pike St-on Rmp to I-75 N | 2022 | 159,350 | Good |
All bridges nearby: Kenton County, KY bridge conditions · every bridge in Kenton County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.