SR 21 over Bauer Coulee
Adams County, Washington · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 21 over Bauer Coulee in Adams County, Washington, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1946, making it 79 years old at the 2025 inventory.
- It carries about 301 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 23 of the 187 inventoried bridges in Adams County rated poor (12.3%); 23 (12.3%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (47.08721, -118.66547)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 3 | Serious condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete tee beam |
| Length | about 134 ft |
| Location | 12.7 N Jct US 395 |
| NBI structure number | 0003064A0000000 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Washington department of transportation.
Busiest bridges in Adams 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 |
All bridges nearby: Adams County, WA bridge conditions · every bridge in Adams County · Washington bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.