SR 117 over Missouri River Overflow
Poor Condition76 years old818 vehicles/day
Location
| State | Montana |
| County | Valley |
| Location | 1m N Fort Peck |
| Carries | SR 117 |
| Crosses | Missouri River Overflow |
| Coordinates | 48.02803, -106.44479 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 279.9 ft (85.3 m) |
| Max Span | 56.1 ft (17.1 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 776.2 sq m |
| Main Spans | 5 |
| Year Built | 1950 (reconstructed 1984) |
Traffic
| Avg Daily Traffic | 818 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00017003+01001 |