Sr-137 over Twelve Mile Wash
Fair Condition79 years old490 vehicles/day
Location
| State | Utah |
| County | Sanpete |
| Location | North Of Mayfield |
| Carries | Sr-137 |
| Crosses | Twelve Mile Wash |
| Coordinates | 39.12255, -111.71168 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 22.6 ft (6.9 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 73.8 sq m |
| Main Spans | 1 |
| Year Built | 1947 |
Traffic
| Avg Daily Traffic | 490 (2014) |
| Truck Traffic | 27% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 0A 446 |