Sylar Lane over Cole Creek
Lake County, California · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sylar Lane over Cole Creek in Lake County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1965 and reconstructed in 2009, making it 60 years old at the 2025 inventory.
- It carries about 250 vehicles a day (traffic count year 2006).
- Its listed owner is the county highway agency.
- It is one of 79 of the 131 inventoried bridges in Lake County rated fair (60.3%); 12 (9.2%) 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 March 2024, on a 48-month routine inspection cycle.
- 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 → (38.97926, -122.83062)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 27 ft |
| Location | 0.2 Mi E/o State Street |
| NBI structure number | 14C0079 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2024 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Lake County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| State Route 53 over Seigler Creek | 1952 | 16,500 | Fair |
| State Route 29 over Kelsey Creek | 1966 | 12,100 | Good |
| State Route 29 over Adobe Creek | 1966 | 12,100 | Good |
| State Route 29 over Hill Creek | 1966 | 12,100 | Good |
| State Route 29 over Manning Creek | 1966 | 12,100 | Good |
| State Route 29 over Putah Creek | 2003 | 10,900 | Good |
All bridges nearby: Lake County, CA bridge conditions · every bridge in Lake County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.