Bridge conditions in Wasco County, Oregon
148 inventoried bridges · 16 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Wasco County has 16 bridges rated poor out of 148 inventoried, a 10.8% share that puts it well above the national rate of about 7%.
- 16 of the 148 bridges in Wasco County, Oregon, are rated in poor condition (10.8%) in the 2025 National Bridge Inventory, as of .
- 38 bridges (25.7%) are rated good and 94 (63.5%) fair.
- The median Wasco County bridge was built in 1965.
- The busiest poor-rated bridge is W 10TH Street over Mill Creek (built 1975), carrying about 8,665 vehicles a day.
Good 25.7% · Fair 63.5% · Poor 10.8% of 148 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| W 10TH Street over Mill Creek | 1975 | 8,665 | Poor |
| Mill CR Rd over Mill Creek | 1941 | 770 | Poor |
| Steele Road over Threemile Creek | 1950 | 598 | Poor |
| Mosier Creek Road over Mosier Creek | 1950 | 244 | Poor |
| Mosier Creek Road over Mosier Creek | 1950 | 229 | Poor |
| Dufur Gap Road over Mays Creek | 1945 | 152 | Poor |
| Fairgrounds Road over Badger Creek | 1960 | 109 | Poor |
| Long Hollow Road over Dry Creek | 1959 | 97 | Poor |
| Easton Canyon Road over Easton Canyon #4 | 1940 | 54 | Poor |
| Road over Cedar Creek (clip Crk?) | 1991 | 50 | Poor |
| Road over Boulder Creek (crane) | 1985 | 50 | Poor |
| Company Hollow Rd over Fifteenmile Creek | 1955 | 45 | Poor |
| Emerson Roberts Rd over Fifteenmile Creek | 1958 | 30 | Poor |
| Adkisson Rd over Dry Creek | 1955 | 20 | Poor |
| Irr Bia Rte 2 over Badger Creek | 1999 | 10 | Poor |
| Irr Bia Rte 6001 over Mill Creek | 1988 | 10 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-84 (hwy 002) over Rock Creek | 1953 | 25,052 | Fair |
| I-84 (hwy 002) over UPRR | 2001 | 25,052 | Good |
| I-84 (hwy 002) over Mosier Creek | 2009 | 25,052 | Good |
| I-84 (hwy 002) over Rowena Conn | 1954 | 24,970 | Fair |
| I-84 (hwy 002) over Hwy 292 O-xing | 1964 | 24,749 | Fair |
| I-84 (hwy 002) over Union Street | 2003 | 24,749 | Good |
| I-84 (hwy 002) over Taylor-frantz Rd | 1954 | 23,112 | Fair |
| I-84 (hwy 002) over Chenoweth Creek | 1954 | 23,112 | Fair |
| I-84 (hwy 002) over Hosteller Way | 1957 | 23,112 | Fair |
| I-84 (hwy 002) over US 30 (hwy 292) | 2005 | 23,004 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Oregon: Oregon bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.