Bridge conditions in Douglas County, Oregon
703 inventoried bridges · 17 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
17 of the 703 bridges the federal inventory lists in Douglas County are rated poor; the rest split 246 good and 440 fair.
- 17 of the 703 bridges in Douglas County, Oregon, are rated in poor condition (2.4%) in the 2025 National Bridge Inventory, as of .
- 246 bridges (35.0%) are rated good and 440 (62.6%) fair.
- The median Douglas County bridge was built in 1968.
- The busiest poor-rated bridge is Stewart Park Road over South Umpqua River (built 1946), carrying about 4,541 vehicles a day.
Good 35.0% · Fair 62.6% · Poor 2.4% of 703 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 |
|---|---|---|---|
| Stewart Park Road over South Umpqua River | 1946 | 4,541 | Poor |
| County Rd 12 over Cow Creek at Glendale | 1974 | 2,574 | Poor |
| County Rd 47 over Lookingglass Creek | 1958 | 2,002 | Poor |
| County Rd 31 over Sutherlin Creek | 1962 | 857 | Poor |
| County Rd 20A over Cow Creek | 1956 | 857 | Poor |
| County Rd 5 over Archambeau Creek | 1974 | 724 | Poor |
| Elkhead Road #50 over Oldham Creek | 1965 | 551 | Poor |
| County Rd 16 over South Deer Creek | 1967 | 486 | Poor |
| County Rd 18 over South Myrtle Creek | 1961 | 272 | Poor |
| County Rd 23 over Williams Creek | 1957 | 272 | Poor |
| Hubbard CR Rd over Bear Creek | 1965 | 245 | Poor |
| Mehl CR Rd #11 over Mehl Creek | 1963 | 119 | Poor |
| Joe Hooker Rd #67 over Sawyer Creek | 1960 | 115 | Poor |
| Byron CR Rd over Byron Creek | 1981 | 95 | Poor |
| Johanneson Cr Rd. over Dean Creek | 1964 | 76 | Poor |
| Road over North Umpqua River | 1971 | 50 | Poor |
| Road over Black Rock Creek | 1973 | 5 | Poor |
Busiest bridges in the 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 |
| I-5 (hwy 001) over Myrtle CR Inter | 1958 | 28,573 | Fair |
| I-5 (hwy 001) over Boomer Hill Rd | 2008 | 28,560 | Good |
| I-5 (hwy 001) over Comstock Cemetery Rd | 1981 | 27,404 | Fair |
| I-5 (hwy 001) over Bear Creek | 2009 | 27,404 | 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.