I-5 over Joe Leary Slough
Skagit County, Washington · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-5 over Joe Leary Slough in Skagit County, Washington, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1964, making it 61 years old at the 2025 inventory.
- It carries about 28,272 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 149 of the 256 inventoried bridges in Skagit County rated fair (58.2%); 6 (2.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: deck 6 to 5, superstructure 7 to 5.
- Its most recent inspection on record is dated March 2024, on a 24-month routine inspection cycle.
- 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 → (48.49308, -122.33564)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 5 | Fair condition |
| Superstructure | 7 | 5 | Fair condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 67 ft |
| Location | 0.6 N Jct SR 11 |
| NBI structure number | 0007216B0000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 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.