US 101 over Sol Duc River
Clallam County, Washington · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 101 over Sol Duc River in Clallam County, Washington, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1948, making it 77 years old at the 2025 inventory.
- It carries about 2,881 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 62 of the 153 inventoried bridges in Clallam County rated fair (40.5%); 8 (5.2%) 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 June 2023, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (48.06619, -124.0975)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel through truss |
| Length | about 335 ft |
| Location | 8.6 N Jct SR 113 |
| NBI structure number | 0003372B0000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 7: scour countermeasures installed |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Washington department of transportation.
Busiest bridges in Clallam County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 101 over Morse Creek | 1968 | 25,787 | Fair |
| SR 101 over Bagley Creek | 2021 | 25,487 | Good |
| US 101 over Discovery Creek | 2024 | 19,244 | Good |
| US 101 over Chicken Coop Creek | 2024 | 19,244 | Good |
| US 101 over Jimmycomelately Creek | 2004 | 18,344 | Good |
| US 101 over Simdars Rd | 1999 | 16,083 | Good |
All bridges nearby: Clallam County, WA bridge conditions · every bridge in Clallam County · Washington bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.