Concrete-sauk Vly over Miller Creek
Skagit County, Washington · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Concrete-sauk Vly over Miller Creek in Skagit County, Washington, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1999, making it 26 years old at the 2025 inventory.
- It carries about 158 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 101 of the 256 inventoried bridges in Skagit County rated good (39.5%); 6 (2.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated fair in the 2024 inventory and is now good (culvert 6 to 7).
- Its most recent inspection on record is dated June 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (48.48428, -121.65453)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 27 ft |
| Location | 9 Mi SE of SR 20 |
| NBI structure number | 086552000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 24 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 Skagit County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-5 over Skagit River | 1955 | 39,245 | Fair |
| I-5 over RR and Cameron Way | 1954 | 37,729 | Fair |
| I-5 over SR 20 BNSF RR & City St | 1955 | 37,394 | Good |
| I-5 over I-5 Drainage | 1970 | 36,919 | Good |
| I-5 over I-5 Drainage | 1972 | 35,558 | Fair |
| I-5 over Hill Ditch | 1957 | 33,686 | Fair |
All bridges nearby: Skagit County, WA bridge conditions · every bridge in Skagit County · Washington bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.