Clybourn Ave over Hanson Heights Channel
Los Angeles County, California · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Clybourn Ave over Hanson Heights Channel in Los Angeles County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1963, making it 62 years old at the 2025 inventory.
- It carries about 10 vehicles a day (traffic count year 2020).
- Its listed owner is a city or municipal highway agency.
- It is one of 1,252 of the 3,549 inventoried bridges in Los Angeles County rated fair (35.3%); 94 (2.6%) are rated poor.
- 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 → (34.2443, -118.36868)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 32 ft |
| Location | 2.4 Km North of I-5 |
| NBI structure number | 53C1684 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Los Angeles County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| State Route 60 over Prospectors Road | 1970 | 339,000 | Good |
| Route 60 over E60-n57 Connector Ramp | 1970 | 339,000 | Good |
| Interstate 110 over Washington Blvd | 1954 | 300,000 | Good |
| Interstate 110 over 37TH Street | 1996 | 300,000 | Good |
| Interstate 110 over Martin Luther King Jr Bl | 1956 | 300,000 | Good |
| Interstate 110 over Slauson Ave & BNSF Ry | 1996 | 300,000 | Poor |
All bridges nearby: Los Angeles County, CA bridge conditions · every bridge in Los Angeles County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.