Or 230 (hwy 233) over Muir Creek
Douglas County, Oregon · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Or 230 (hwy 233) over Muir Creek in Douglas County, Oregon, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1933, making it 92 years old at the 2025 inventory.
- It carries about 953 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 440 of the 703 inventoried bridges in Douglas County rated fair (62.6%); 17 (2.4%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (43.04807, -122.35083)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 126 ft |
| Location | 10.32 Mi N Jct Hwy 022 |
| NBI structure number | 03462 233 01032 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Douglas County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-5 (hwy 001) over I-5 @ Bellows St | 1976 | 46,894 | Fair |
| I-5 (hwy 001) over I-5 @ Harvard Ave | 1976 | 46,894 | Fair |
| I-5 (hwy 001) over I-5 @ Portland Ave | 1954 | 42,268 | Fair |
| I-5 (hwy 001) over I-5 @ Speedway Rd | 1955 | 41,824 | Fair |
| I-5 (hwy 001) over I-5 @ Mclain Rd | 2009 | 41,701 | Fair |
| I-5 (hwy 001) over Creek | 1954 | 29,858 | Fair |
All bridges nearby: Douglas County, OR bridge conditions · every bridge in Douglas County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.