State Route 84 over West Union Creek
Fair Condition123 years old6,600 vehicles/day
Location
| State | California |
| County | San Mateo |
| Location | 04-sm-084-19.89-wds |
| Carries | State Route 84 |
| Crosses | West Union Creek |
| Coordinates | 37.42525, -122.26719 |
Condition Ratings
| Overall Condition | Fair |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 23.0 ft (7 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 22.0 ft (6.7 m) |
| Deck Area | 46.9 sq m |
| Main Spans | 1 |
| Year Built | 1903 |
Traffic
| Avg Daily Traffic | 6,600 (2005) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 35 0044 |