Mill Creek over Mill Creek
Chelan County, Washington · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mill Creek over Mill Creek in Chelan County, Washington, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1979, making it 46 years old at the 2025 inventory.
- It carries about 25 vehicles a day (traffic count year 1995).
- It is one of 12 of the 148 inventoried bridges in Chelan County rated poor (8.1%); 12 (8.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated July 2023, on a 24-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 → (47.74417, -121.04361)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 32 ft |
| Location | No Data Entered |
| NBI structure number | 061706000001433 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Washington department of transportation.
Busiest bridges in Chelan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 285 over S Wenatchee Ave | 1973 | 48,107 | Poor |
| SR 285 over Wenatchee River & BNSF | 1933 | 20,059 | Fair |
| SR 285 over Wenatchee River & Gnrr | 1954 | 20,059 | Fair |
| US 2 over Wenatchee River | 1993 | 15,142 | Good |
| US 2 over Blewett Cutoff Rd | 2008 | 14,792 | Good |
| SR 285 over Penny Rd | 1996 | 13,465 | Good |
All bridges nearby: Chelan County, WA bridge conditions · every bridge in Chelan County · Washington bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.