Oregon bridges
Oregon reports 8,329 bridges and culverts across 36 counties. 422 (5.1%) are rated in poor condition, and 1,097 are posted with load limits or closed. The oldest structure still in the inventory dates from 1899.
Find a bridge in Oregon
Type at least two characters, or pick a condition or type, to search every bridge in the state.
Counties
Circle size reflects the number of bridges- Baker County 188
- Benton County 190
- Clackamas County 367
- Clatsop County 155
- Columbia County 128
- Coos County 255
- Crook County 78
- Curry County 101
- Deschutes County 156
- Douglas County 703
- Gilliam County 35
- Grant County 145
- Harney County 128
- Hood River County 82
- Jackson County 401
- Jefferson County 80
- Josephine County 224
- Klamath County 248
- Lake County 95
- Lane County 1,011
- Lincoln County 190
- Linn County 564
- Malheur County 181
- Marion County 375
- Morrow County 71
- Multnomah County 473
- Polk County 162
- Sherman County 48
- Tillamook County 228
- Umatilla County 321
- Union County 169
- Wallowa County 113
- Wasco County 148
- Washington County 334
- Wheeler County 32
- Yamhill County 150
Condition
Good32%(2,645)
Fair63%(5,262)
Poor5%(422)
Counties with the highest share of poor bridges
- Linn County16.8% of 564
- Wasco County10.8% of 148
- Benton County10.5% of 190
- Columbia County9.4% of 128
- Jefferson County8.8% of 80
Structure types
| Structure type | Bridges | Share |
|---|---|---|
| Slab | 2,828 | 34.0% |
| Stringer/Multi-beam or Girder | 2,445 | 29.4% |
| Tee Beam | 1,019 | 12.2% |
| Box Beam or Girders - Multiple | 631 | 7.6% |
| Culvert | 468 | 5.6% |
| Frame | 306 | 3.7% |
| Channel Beam | 180 | 2.2% |
| Truss - Thru | 135 | 1.6% |
| Box Beam or Girders - Single or Spread | 97 | 1.2% |
| Girder and Floorbeam System | 87 | 1.0% |
| Arch - Deck | 56 | 0.7% |
| Truss - Deck | 32 | 0.4% |
| Arch - Thru | 18 | 0.2% |
| Movable - Lift | 9 | 0.1% |
| Movable - Bascule | 8 | 0.1% |
| Suspension | 3 | 0.0% |
| Segmental Box Girder | 3 | 0.0% |
| Movable - Swing | 2 | 0.0% |
| Stayed Girder | 1 | 0.0% |
| Other | 1 | 0.0% |
When Oregon's bridges were built
Busiest
- HWY 064 over Division STFairMultnomah County · 166,664 vehicles/day
- HWY 064 over HWY 026FairMultnomah County · 166,664 vehicles/day
- Barlow Trail RD over Hackett CreekFairClackamas County · 165,900 vehicles/day
- HWY 064 over HWY 064 Conn 2FairMultnomah County · 161,490 vehicles/day
- I-5 (hwy 001) over Lower BoonesferryFairWashington County · 156,558 vehicles/day
Longest
- US101 (hwy 9) over Columbia RiverPoorClatsop County · 11,200 ft
- HWY 064 over Columbia RiverFairMultnomah County · 7,434 ft
- HWY 92 Conn over Columbia RiverFairColumbia County · 5,478 ft
- Toll Bridge over Columbia RiverPoorHood River County · 4,418 ft
- US101 (hwy 9) over Youngs BayFairClatsop County · 4,208 ft
Oldest
- C15-LONG Creek RD over N.Fork John Day RiverFairGrant County · Built 1899
- Sun CR Co-Op Road over Sun CreekGoodKlamath County · Built 1900
- Moore ST over Barnum CanyonGoodSherman County · Built 1900
- NW Thurman ST over B-15 X Macleay ParkFairMultnomah County · Built 1905
- Owyhee River C1025 over Owyhee River (rome)PoorMalheur County · Built 1906
Newest
- I-5 (hwy 001) over SW 26th AveGoodMultnomah County · Built 2024
- HWY 004 over Cooley Rd.GoodDeschutes County · Built 2024
- HWY 004 over US 97 (hwy 004)GoodDeschutes County · Built 2024
- HWY 004 NB Ramp over US 97 (hwy 004)GoodDeschutes County · Built 2024
- US 26 (hwy 047) over Mendenhall CreekGoodWashington County · Built 2024
Who owns Oregon's bridges
| County | 3,452 | 41.4% |
| State | 2,856 | 34.3% |
| Federal | 1,283 | 15.4% |
| City | 678 | 8.1% |
| Local | 51 | 0.6% |
| Railroad | 5 | 0.1% |
| Unknown | 2 | 0.0% |
| Toll Authority | 2 | 0.0% |
More Oregon facts
Total bridge length244 miles
Total deck area55,347,328 sq ft
Culverts counted as bridges468 (6%)
On the National Highway System1,862
Posted with load limits1,071
Closed to traffic26
Listed or eligible for the National Register168
Average daily traffic per bridge6,557 vehicles
Newest structure2024