Bridge conditions in Union County, Oregon
169 inventoried bridges · 8 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Union County tracks close to typical: 8 of its 169 inventoried bridges (4.7%) are rated poor, against a national rate of about 7%.
- 8 of the 169 bridges in Union County, Oregon, are rated in poor condition (4.7%) in the 2025 National Bridge Inventory, as of .
- 76 bridges (45.0%) are rated good and 85 (50.3%) fair.
- The median Union County bridge was built in 1978.
- The busiest poor-rated bridge is 2ND St over Union Pacific Rail Road (built 1979), carrying about 5,933 vehicles a day.
Good 45.0% · Fair 50.3% · Poor 4.7% of 169 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 |
|---|---|---|---|
| 2ND St over Union Pacific Rail Road | 1979 | 5,933 | Poor |
| Valley View Road over Gordon Creek | 2006 | 437 | Poor |
| Woodruff Lane over Catherine Creek | 1930 | 372 | Poor |
| Courtney Lane over Willow Creek EB | 1965 | 286 | Poor |
| Courtney Lane over Willow Creek EB | 1966 | 286 | Poor |
| Old Highway 30 over UPRR | 1922 | 222 | Poor |
| Yarrington Road over Grande Ronde River | 1925 | 173 | Poor |
| Philberg Road over Indian Creek | 1922 | 27 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-84 (hwy 006) over Ladd Creek(second Xing) | 2019 | 12,684 | Good |
| I-84 (hwy 006) over Ladd Creek Intch | 2019 | 12,684 | Good |
| I-84 (hwy 006) over Five Points Crk | 1960 | 12,564 | Fair |
| I-84 (hwy 006) over Hamilton Creek | 1960 | 12,538 | Fair |
| I-84 (hwy 006) over UPRR & Hwy 006 Bp | 1957 | 12,102 | Fair |
| I-84 (hwy 006) over Glover I/c (spring CR) | 1957 | 12,102 | Fair |
| Cove Ave over I-84 (hwy 006) | 1972 | 8,100 | Fair |
| Mcalister Lane over I-84 (hwy 006) | 1972 | 8,100 | Fair |
| I-84 (hwy 006) WB over Hwy 66 UPRR | 1972 | 6,379 | Good |
| I-84 (hwy 006) EB over Hwy 66 UPRR | 1972 | 6,379 | 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.