Iowa ST over Mission Zanja
Good Condition62 years old200 vehicles/day
Location
| State | California |
| County | San Bernardino |
| Location | 0.5 Mi N Barton RD |
| Carries | Iowa ST |
| Crosses | Mission Zanja |
| Coordinates | 34.05577, -117.21303 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Width | 45.9 ft (14 m) |
| Deck Area | 137.2 sq m |
| Main Spans | 2 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 200 (2015) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 54C0427 |