6 Rd NE over Rocky Coulee
Grant County, Washington · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 6 Rd NE over Rocky Coulee in Grant County, Washington, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1914, making it 111 years old at the 2025 inventory.
- It carries about 71 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 100 of the 304 inventoried bridges in Grant County rated fair (32.9%); 9 (3.0%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (47.1741, -119.00324)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 51 ft |
| Location | 6 NE 0.1 W of W NE |
| NBI structure number | 079888000000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Washington department of transportation.
Busiest bridges in Grant County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Alder Street over Parker Horn | 1958 | 29,630 | Fair |
| SR 17 over I-90 Ramp | 1958 | 16,352 | Fair |
| Stratford Rd over SR 17 | 1966 | 14,235 | Fair |
| I-90 over Moses Lake | 1958 | 13,711 | Fair |
| I-90 over Moses Lake | 1958 | 13,711 | Fair |
| SR 17 over Parker Horn | 1955 | 11,733 | Good |
All bridges nearby: Grant County, WA bridge conditions · every bridge in Grant County · Washington bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.