Bridge Safety in Oregon
8,329 bridges — 422 Poor condition — avg age 50 years.
Bridge Inventory
| Total Bridges | 8,329 |
| Good Condition | 2,645 |
| Fair Condition | 5,262 |
| Poor Condition | 422 |
| Oldest Bridge | Built 1899 |
| Average Age | 50 years |
Condition Summary
| % Good | 31.8% |
| % Fair | 63.2% |
| % Poor | 5.1% |
Highest-Traffic Poor Condition Bridges in Oregon
Poor condition bridges sorted by daily traffic — the most urgent safety concerns.
| Bridge | Condition | Year Built | ADT | Length |
|---|---|---|---|---|
| BROADWAY ST CONN | Poor | 1913 | 30,388 | — |
| Yaquina Bay | Poor | 1934 | 20,207 | — |
| Lebanon Ditch | Poor | 1921 | 18,798 | — |
| Pine Creek | Poor | 1964 | 17,928 | — |
| HWY 132 | Poor | 1965 | 17,868 | — |
| BEAVERTON CREEK | Poor | 1960 | 14,741 | — |
| BNSF | Poor | 1909 | 14,374 | — |
| COLUMBIA RIVER | Poor | 1924 | 14,227 | — |
| North Fork Ash Creek | Poor | 1954 | 14,149 | — |
| Beaver Creek | Poor | 1953 | 13,994 | — |
| B-78 OVER BNRR | Poor | 1909 | 13,910 | — |
| MCCORD CREEK | Poor | 1962 | 13,746 | — |
| Kilchis R. & Possetti Rd | Poor | 1952 | 13,357 | — |
| B-1 OVER UP/SPRR | Poor | 1930 | 13,113 | — |
| Willamette River | Poor | 1964 | 12,687 | — |
| Willamette River | Poor | 1913 | 12,687 | — |
| PNWR & Scoggin Creek | Poor | 1967 | 12,233 | — |
| WILLAMETTE RIVER | Poor | 1910 | 11,732 | — |
| COX CREEK | Poor | 1940 | 11,330 | — |
| Siuslaw River | Poor | 1936 | 10,905 | — |
Oldest Bridges in Oregon
| Bridge | Condition | Year Built | Age | ADT |
|---|---|---|---|---|
| N.FORK JOHN DAY RIVER | Fair | 1899 | 127 yrs | 132 |
| BARNUM CANYON | Good | 1900 | 126 yrs | 74 |
| Sun Creek | Good | 1900 | 126 yrs | 10 |
| B-15 X MACLEAY PARK | Fair | 1905 | 121 yrs | 4,501 |
| OWYHEE RIVER (ROME) | Poor | 1906 | 120 yrs | 20 |
| BONNEVILLE DAM | Fair | 1907 | 119 yrs | 20 |
| Hwy 2 & UPRR | Fair | 1908 | 118 yrs | 35,800 |
| B-27 OVER UPRR | Fair | 1908 | 118 yrs | 6,578 |
| UPRR & Hwy 002 | Fair | 1908 | 118 yrs | 31,889 |
| B-78 OVER BNRR | Poor | 1909 | 117 yrs | 13,910 |
Bridge Safety in Oregon
Bridge condition data for Oregon comes from the FHWA National Bridge Inventory. All publicly accessible bridges with a span over 20 feet are inspected at least every 24 months by certified bridge inspectors.