Twin Bridges RD over Antelope Creek 055
Fair Condition18 years old100 vehicles/day
Location
| State | Montana |
| County | Sheridan |
| Location | 1m E Antelope |
| Carries | Twin Bridges RD |
| Crosses | Antelope Creek 055 |
| Coordinates | 48.69342, -104.42750 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 52.8 ft (16.1 m) |
| Max Span | 52.8 ft (16.1 m) |
| Deck Width | 20.0 ft (6.1 m) |
| Deck Area | 98.2 sq m |
| Main Spans | 1 |
| Year Built | 2008 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L46208001+02001 |