Interstate 605 over Walnut Creek
Good Condition69 years old220,000 vehicles/day
Location
| State | California |
| County | Los Angeles |
| Location | 07-la-605-r19.85-bwp |
| Carries | Interstate 605 |
| Crosses | Walnut Creek |
| Coordinates | 34.06033, -118.00091 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 466.5 ft (142.2 m) |
| Max Span | 71.9 ft (21.9 m) |
| Deck Width | 170.6 ft (52 m) |
| Deck Area | 7394.4 sq m |
| Main Spans | 7 |
| Year Built | 1957 (reconstructed 1995) |
Traffic
| Avg Daily Traffic | 220,000 (2022) |
| Truck Traffic | 12% |
| Lanes On Bridge | 12 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 53 1343 |