Dickenson Road over Onion Creek
Midland County, Michigan · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Dickenson Road over Onion Creek in Midland County, Michigan, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1991, making it 34 years old at the 2025 inventory.
- It carries about 45 vehicles a day (traffic count year 1999).
- Its listed owner is the county highway agency.
- It is one of 24 of the 140 inventoried bridges in Midland County rated poor (17.1%); 24 (17.1%) are rated poor.
- 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 → (43.57096, -84.59815)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Timber slab |
| Length | about 62 ft |
| Location | 0.3 S. of Salt River Road |
| NBI structure number | 000000000006969 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Midland County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| M-20 EB over Tittabawassee River | 2019 | 21,358 | Good |
| M-20 WB over Tittabawassee River | 2018 | 21,350 | Good |
| N Saginaw Road over Sturgeon Creek | 1931 | 20,000 | Fair |
| Jefferson Rd over US-10 | 1960 | 18,005 | Fair |
| N Saginaw Road over State Drain | 1931 | 17,000 | Fair |
| M-20 over Prairie Creek | 1938 | 16,168 | Fair |
All bridges nearby: Midland County, MI bridge conditions · every bridge in Midland County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.