No Data Entered over Twin Falls Creek
Skamania County, Washington · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- No Data Entered over Twin Falls Creek in Skamania County, Washington, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1964, making it 61 years old at the 2025 inventory.
- It carries about 179 vehicles a day (traffic count year 1992).
- It is one of 54 of the 120 inventoried bridges in Skamania County rated fair (45.0%); 11 (9.2%) 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 October 2023, 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 → (46.21119, -121.63138)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete frame |
| Length | about 75 ft |
| Location | 1.4 Mile North of Trout L |
| NBI structure number | 060303000000017 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Washington department of transportation.
Busiest bridges in Skamania County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 14 over Rock CR | 1938 | 6,440 | Fair |
| SR 14 over Bn RR | 1978 | 5,217 | Fair |
| SR 14 over Cascade Drive | 1978 | 5,217 | Fair |
| SR 14 over Cape Horn Slide | 1930 | 4,879 | Fair |
| SR 14 over Half Bridge | 1930 | 4,879 | Poor |
| SR 14 over Duncan CR | 1926 | 4,755 | Fair |
All bridges nearby: Skamania County, WA bridge conditions · every bridge in Skamania County · Washington bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.