Ky-9 over Twelvemile Creek
Campbell County, Kentucky · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ky-9 over Twelvemile Creek in Campbell 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 1989, making it 36 years old at the 2025 inventory.
- It carries about 10,542 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 44 of the 130 inventoried bridges in Campbell County rated good (33.8%); 9 (6.9%) 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 August 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 → (38.95194, -84.33667)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 477 ft |
| Location | 400 SE Ky 1997 |
| NBI structure number | 019B00068N |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Campbell County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-275 over Ky 9 | 1971 | 100,416 | Fair |
| I-471 over Ramp K | 1988 | 99,284 | Fair |
| I-471 Ramp over 6TH Street In Newport | 1988 | 94,400 | Good |
| I-471 over Grand Ave (ky 1892) | 1977 | 90,604 | Fair |
| I-275 Ramp over I471nb-i275eb-rmps E&f | 1974 | 79,737 | Fair |
| I-471 Nc over Ohio River | 1976 | 51,051 | Fair |
All bridges nearby: Campbell County, KY bridge conditions · every bridge in Campbell County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.