Riggs Road over Irrigation Ditch
Crook County, Oregon · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Riggs Road over Irrigation Ditch in Crook County, Oregon, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 2006, making it 19 years old at the 2025 inventory.
- It carries about 594 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 37 of the 78 inventoried bridges in Crook County rated good (47.4%); 2 (2.6%) are rated poor.
- 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 → (44.23309, -121.01214)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 21 ft |
| Location | 2.45 on Riggs Rd. |
| NBI structure number | 20325 211 00000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Crook County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 26 (hwy 041) over Crooked River | 2006 | 17,122 | Good |
| US 26 (hwy 041) over Central Oregon Canal | 1940 | 12,150 | Fair |
| Main Street over Ochoco Creek | 2004 | 12,031 | Fair |
| US 26 (hwy 041) over Ochoco Creek | 2008 | 11,592 | Fair |
| Hwy 380 over Flood Control Channel | 1987 | 6,946 | Good |
| Hwy 380 over Ochoco Creek | 2014 | 6,257 | Fair |
All bridges nearby: Crook County, OR bridge conditions · every bridge in Crook County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.