Butter Creek over Butter Creek
Trinity County, California · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Butter Creek over Butter Creek in Trinity County, California, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1975, making it 50 years old at the 2025 inventory.
- It carries about 50 vehicles a day.
- It is one of 112 of the 194 inventoried bridges in Trinity County rated good (57.7%); 7 (3.6%) are rated poor.
- 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 → (40.58339, -123.3491)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Steel culvert |
| Length | about 20 ft |
| Location | No Data Entered |
| NBI structure number | 051452000001008 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Trinity County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| State Route 299 over East Weaver Creek | 1962 | 7,125 | Fair |
| State Route 299 over Weaver Creek | 1953 | 5,375 | Fair |
| State Route 299 over Little Browns Creek | 1999 | 5,375 | Good |
| State Route 299 over Trinity River | 1980 | 4,450 | Fair |
| State Route 299 over Indian Creek | 1974 | 4,050 | Fair |
| State Route 299 over Gray Creek | 1966 | 3,800 | Fair |
All bridges nearby: Trinity County, CA bridge conditions · every bridge in Trinity County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.