9 Mile Rd over Caddell Drain
Oakland County, Michigan · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 9 Mile Rd over Caddell Drain in Oakland County, Michigan, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1973 and reconstructed in 1988, making it 52 years old at the 2025 inventory.
- It carries about 10,800 vehicles a day (traffic count year 2024).
- Its listed owner is a city or municipal highway agency.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (42.4545, -83.3952)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 3 | Serious condition |
Bridge details
| Structure | Steel culvert |
| Length | about 41 ft |
| Location | Drake and 9 Mile |
| NBI structure number | 000000000014703 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
All bridges nearby: Oakland County, MI bridge conditions · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.