New Miami River Rd over Miami Rv
Tillamook County, Oregon · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- New Miami River Rd over Miami Rv in Tillamook County, Oregon, 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 1978, making it 47 years old at the 2025 inventory.
- It carries about 106 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 15 of the 228 inventoried bridges in Tillamook County rated poor (6.6%); 15 (6.6%) 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 → (45.61056, -123.86725)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 90 ft |
| Location | 4.0 Mi South of Mohler |
| NBI structure number | 57C59 563 00005 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Tillamook County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US101 (Hwy 9) over Dougherty Slough | 2000 | 19,578 | Good |
| US101 (Hwy 9) over Hall Slough | 2000 | 19,261 | Good |
| US101 (Hwy 9) over POTB Railroad | 1931 | 13,357 | Fair |
| US101 (hwy 9) over Kilchis R. & Possetti Rd | 1952 | 13,357 | Poor |
| US101 (hwy 9) over Stasek Slough | 1952 | 13,357 | Fair |
| US101 (hwy 9) over Neilson Slough | 1952 | 13,357 | Fair |
All bridges nearby: Tillamook County, OR bridge conditions · every bridge in Tillamook County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.