N 1st Avenue over Mojave River Overflow
Fair Condition87 years old3,400 vehicles/day
Location
| State | California |
| County | San Bernardino |
| Location | 0.1 Mi N Of Irwin Rd. |
| Carries | N 1st Avenue |
| Crosses | Mojave River Overflow |
| Coordinates | 34.90824, -117.02049 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 320.9 ft (97.8 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 968.2 sq m |
| Main Spans | 12 |
| Year Built | 1939 |
Traffic
| Avg Daily Traffic | 3,400 (2015) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 54C0090 |