M Road SE over EL 29 Waste Way
Grant County, Washington · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- M Road SE over EL 29 Waste Way in Grant County, Washington, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1980, making it 45 years old at the 2025 inventory.
- It carries about 2,094 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 9 of the 304 inventoried bridges in Grant County rated poor (3.0%); 9 (3.0%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated January 2024, on a 12-month routine inspection cycle.
- 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 → (47.01404, -119.21592)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 26 ft |
| Location | M SE 0.01 N of 5 SE |
| NBI structure number | 084078000000000 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | January 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
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.