State Route 139 over Howards Gulch
Fair Condition60 years old1,600 vehicles/day
Location
| State | California |
| County | Modoc |
| Location | 02-mod-139-r2.23 |
| Carries | State Route 139 |
| Crosses | Howards Gulch |
| Coordinates | 41.45913, -120.90493 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 73.2 ft (22.3 m) |
| Max Span | 27.9 ft (8.5 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 231.9 sq m |
| Main Spans | 3 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 1,600 (2015) |
| Truck Traffic | 18% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 03 0011 |