Bridge conditions in Wallowa County, Oregon
113 inventoried bridges · 10 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Wallowa County tracks close to typical: 10 of its 113 inventoried bridges (8.8%) are rated poor, against a national rate of about 7%.
- 10 of the 113 bridges in Wallowa County, Oregon, are rated in poor condition (8.8%) in the 2025 National Bridge Inventory, as of .
- 56 bridges (49.6%) are rated good and 47 (41.6%) fair.
- The median Wallowa County bridge was built in 1976.
- The busiest poor-rated bridge is West Wallowa Ave over Wrenn Dobbin Ditch (built 1942), carrying about 940 vehicles a day.
Good 49.6% · Fair 41.6% · Poor 8.8% of 113 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 |
|---|---|---|---|
| West Wallowa Ave over Wrenn Dobbin Ditch | 1942 | 940 | Poor |
| Whiskey Creek Road over Wallowa River | 1967 | 346 | Poor |
| Repplinger Lane over Farmers Ditch | 1950 | 267 | Poor |
| Wallowa Loop Road over Big Sheep Creek | 1950 | 225 | Poor |
| Dorrence Lane over Hurricane Creek | 1960 | 220 | Poor |
| Dug Bar Road over Cow Creek | 1951 | 103 | Poor |
| Lewis Road over Chesnimnus Creek | 1975 | 39 | Poor |
| Bear Creek Rd over Bear Creek | 1956 | 28 | Poor |
| Cayuse Ridge Road over Chesnimnus Ck | 1964 | 10 | Poor |
| Sheep Creek Road over Big Sheep Creek | 1950 | 7 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Or 82 (hwy 010) over Prairie Creek | 1999 | 7,061 | Good |
| Or 82 (hwy 010) over Wallowa River (railroad) | 1966 | 5,160 | Good |
| Or 82 (hwy 010) over Trout Creek | 1988 | 5,160 | Good |
| Or 82 (hwy 010) over Prairie Creek | 1985 | 3,969 | Good |
| Or 82 (hwy 010) over Prairie Creek | 1980 | 3,924 | Good |
| Or 82 (hwy 010) over Lostine River | 1953 | 2,619 | Fair |
| Or 82 (hwy 010) over Wallowa River | 2024 | 2,057 | Good |
| Hurricane CR Rd over Wallowa River | 1964 | 1,754 | Fair |
| Hurricane CR Rd over Hurricane Creek | 1964 | 1,754 | Good |
| Or 82 (hwy 010) over Wallowa R (minam) | 1965 | 1,572 | Fair |
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.