Bridge conditions in Adams County, Washington
187 inventoried bridges · 23 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Adams County has 23 bridges rated poor out of 187 inventoried, a 12.3% share that puts it well above the national rate of about 7%.
- 23 of the 187 bridges in Adams County, Washington, are rated in poor condition (12.3%) in the 2025 National Bridge Inventory, as of .
- 65 bridges (34.8%) are rated good and 99 (52.9%) fair.
- The median Adams County bridge was built in 1959.
- The busiest poor-rated bridge is I-90 over BNSF Railroad (built 1968), carrying about 10,667 vehicles a day.
Good 34.8% · Fair 52.9% · Poor 12.3% of 187 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 |
|---|---|---|---|
| I-90 over BNSF Railroad | 1968 | 10,667 | Poor |
| I-90 over BNSF Railroad | 1968 | 10,667 | Poor |
| I-90 over SR 261 | 1958 | 8,405 | Poor |
| I-90 over Damon Rd | 1972 | 6,018 | Poor |
| I-90 over Wahl Rd | 1972 | 6,000 | Poor |
| I-90 over N Paha Packard Rd | 1972 | 5,950 | Poor |
| I-90 over SR 21 | 1972 | 5,897 | Poor |
| I-90 over SR 21 | 1972 | 5,897 | Poor |
| SR 24 over Potholes East Canal | 1976 | 5,698 | Poor |
| SR 24 over Sagehill Wasteway | 1965 | 4,970 | Poor |
| SR 26 over Np Ry | 1959 | 2,260 | Poor |
| SR 26 over East Low Canal | 1959 | 2,260 | Poor |
| SR 26 over Providence Coulee | 1959 | 1,997 | Poor |
| SR 26 over UP RR | 1975 | 1,646 | Poor |
| SR 26 over Cow Creek | 1975 | 1,646 | Poor |
| SR 26 over Abandoned RR | 1977 | 1,646 | Poor |
| US 395 Ramp over I-90 | 1958 | 1,360 | Poor |
| SR 26 over Dry Wash | 1960 | 1,293 | Poor |
| SR 21 over Bauer Coulee | 1946 | 301 | Poor |
| Lemaster Rd over Wasteway EL81 128+36.98 | 1952 | 135 | Poor |
| Steele Rd over Branch Canal EL68 134+51 | 1952 | 107 | Poor |
| Griffith Rd over Rocky Coulee | 1929 | 20 | Poor |
| Sackman Rd over East Low Canal | 1953 | 6 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-90 over BNSF Railroad | 1968 | 10,667 | Poor |
| I-90 over BNSF Railroad | 1968 | 10,667 | Poor |
| I-90 over Hills North Rd | 1958 | 10,614 | Fair |
| I-90 over Hills North Rd | 1958 | 10,614 | Fair |
| I-90 over SR 261 | 1958 | 8,405 | Poor |
| I-90 over SR 261 | 1952 | 8,405 | Fair |
| SR 26 over Potholes East Canal | 1955 | 7,360 | Fair |
| SR 26 over Cmstpp RR | 1956 | 7,360 | Fair |
| SR 26 over SR 24 | 1956 | 7,360 | Fair |
| SR 17 over SR 26 | 2001 | 7,264 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Washington: Washington 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.