Fish Hatchery RD over Big Spring Creek
Good Condition30 years old328 vehicles/day
Location
| State | Montana |
| County | Fergus |
| Location | 5m SE Lewistown |
| Carries | Fish Hatchery RD |
| Crosses | Big Spring Creek |
| Coordinates | 47.00814, -109.34988 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 79.7 ft (24.3 m) |
| Max Span | 76.4 ft (23.3 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 223.6 sq m |
| Main Spans | 1 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 328 (2023) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00466001+04341 |