Sycamore Pl over Sierra Madre Wash
Los Angeles County, California · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sycamore Pl over Sierra Madre Wash in Los Angeles County, California, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1928, making it 97 years old at the 2025 inventory.
- It carries about 408 vehicles a day (traffic count year 2017).
- Its listed owner is a city or municipal highway agency.
- It is one of 94 of the 3,549 inventoried bridges in Los Angeles County rated poor (2.6%); 94 (2.6%) 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 → (34.16894, -118.04232)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 26 ft |
| Location | 0.6MI W/o Santa Anita Ave |
| NBI structure number | 53C1038 |
| Condition class | Poor |
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.