Newton Road over Colville River
Stevens County, Washington · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Newton Road over Colville River in Stevens County, Washington, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1974, making it 51 years old at the 2025 inventory.
- It carries about 51 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 30 of the 75 inventoried bridges in Stevens County rated good (40.0%); 9 (12.0%) 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 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 → (48.20844, -117.73811)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 47 ft |
| Location | 01.04 W Jct SR 231 |
| NBI structure number | 079995000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Washington department of transportation.
Busiest bridges in Stevens County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 395 over Mill Creek | 1983 | 8,792 | Good |
| US 395 over Colville River | 1921 | 8,606 | Fair |
| US 395 over Colville R | 1963 | 8,606 | Fair |
| US 395 over Little Pend Oreille R | 1980 | 7,148 | Good |
| US 395 over Gn Ry | 1941 | 4,986 | Fair |
| US 395 over Columbia R Kettle Falls | 1941 | 4,342 | Fair |
All bridges nearby: Stevens County, WA bridge conditions · every bridge in Stevens County · Washington bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.