Crystal Springs RD over San Mateo Creek
Fair Condition52 years old1,637 vehicles/day
Location
| State | California |
| County | San Mateo |
| Location | Polhemus Road |
| Carries | Crystal Springs RD |
| Crosses | San Mateo Creek |
| Coordinates | 37.53407, -122.35023 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Width | 79.1 ft (24.1 m) |
| Deck Area | 183.2 sq m |
| Main Spans | 2 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 1,637 (2019) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 521 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 35C0061 |