SR 165 over Carbon River
Pierce County, Washington · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 165 over Carbon River in Pierce County, Washington, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1921 and reconstructed in 1945, making it 104 years old at the 2025 inventory.
- It carries about 270 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 22 of the 480 inventoried bridges in Pierce County rated poor (4.6%); 22 (4.6%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (47.04153, -122.04197)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 3 | Serious condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Continuous steel deck arch |
| Length | about 494 ft |
| Location | 11.5 N Rainier Park |
| NBI structure number | 0002950A0000000 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Washington department of transportation.
Busiest bridges in Pierce County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-5 over Portland Ave | 1962 | 105,864 | Fair |
| I-5 over Portland Ave | 1962 | 105,864 | Fair |
| I-5 over Wapato Creek | 1960 | 97,641 | Good |
| I-5 over Wapato Creek | 1960 | 97,641 | Good |
| I-5 over Hylebos Creek | 1960 | 96,536 | Good |
| I-5 over Hylebos Creek | 1960 | 96,536 | Good |
All bridges nearby: Pierce County, WA bridge conditions · every bridge in Pierce County · Washington bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.