Bridge conditions in Clackamas County, Oregon
367 inventoried bridges · 17 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Clackamas County tracks close to typical: 17 of its 367 inventoried bridges (4.6%) are rated poor, against a national rate of about 7%.
- 17 of the 367 bridges in Clackamas County, Oregon, are rated in poor condition (4.6%) in the 2025 National Bridge Inventory, as of .
- 113 bridges (30.8%) are rated good and 237 (64.6%) fair.
- The median Clackamas County bridge was built in 1970.
- The busiest poor-rated bridge is Holly Ln over Abernethy Creek (built 1933), carrying about 9,700 vehicles a day.
Good 30.8% · Fair 64.6% · Poor 4.6% of 367 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 |
|---|---|---|---|
| Holly Ln over Abernethy Creek | 1933 | 9,700 | Poor |
| Kropf Road over Rock Creek | 1958 | 5,600 | Poor |
| Snuffin Rd over Eagle Creek | 1956 | 5,000 | Poor |
| Eagle Fern Rd over North Fork Eagle Creek | 1956 | 4,400 | Poor |
| Barlow Rd over Rock Creek | 1957 | 1,100 | Poor |
| Bull Run Rd over Bull Run River | 1926 | 865 | Poor |
| Grimm Road over Woodcock Creek | 1970 | 629 | Poor |
| Summit Drive over Springbrook Creek | 1956 | 503 | Poor |
| East Mt Circle over Hackett Creek | 1980 | 293 | Poor |
| Hide-a-way Lane over Hackett Creek | 2006 | 293 | Poor |
| Barlow Trail Rd over Sandy River | 1953 | 288 | Poor |
| Broken Bridge Dr over Hacket Creek | 2000 | 121 | Poor |
| Island Road over Salmon River | 2000 | 97 | Poor |
| Estacada Road over Du Bois Creek | 1997 | 86 | Poor |
| Gibson Road over Garrett Creek | 1962 | 82 | Poor |
| Road over Clackamas River | 1974 | 50 | Poor |
| Road over North Fork Clackamas Ri* | 1982 | 2 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Barlow Trail Rd over Hackett Creek | 1965 | 165,900 | Fair |
| Hwy 001 over Willamette River | 1953 | 127,233 | Fair |
| Boones Ferry Road over I-5 (Hwy 1) | 1971 | 127,233 | Fair |
| Strawberry Lane over Hwy 064 | 1962 | 113,512 | Good |
| Boeckman Road over I-5 (hwy 001) | 1969 | 110,869 | Fair |
| Hwy 064 over Main St | 1972 | 108,786 | Fair |
| Hwy 064 over Creek | 1971 | 108,786 | Fair |
| Hwy 064 over Willamette River | 1970 | 97,105 | Fair |
| Or 217 (hwy 144) over I-5 (hwy 001) | 1966 | 92,194 | Fair |
| Bonita Road over I-5 (hwy 001) | 1975 | 88,870 | 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.