Wyo 31 over Nowood River
Poor Condition75 years old688 vehicles/day
Location
| State | Wyoming |
| County | Big Horn |
| Location | Manderson - Hyattville |
| Carries | Wyo 31 |
| Crosses | Nowood River |
| Coordinates | 44.27608, -107.96067 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 139.1 ft (42.4 m) |
| Max Span | 52.2 ft (15.9 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 360.4 sq m |
| Main Spans | 3 |
| Year Built | 1951 |
Traffic
| Avg Daily Traffic | 688 (2024) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | BLN |