Mailbox RD over Crooked Creek 088
Good Condition12 years old100 vehicles/day
Location
| State | Montana |
| County | Yellowstone |
| Location | 6m NW Shepherd |
| Carries | Mailbox RD |
| Crosses | Crooked Creek 088 |
| Coordinates | 45.98052, -108.40989 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 64.0 ft (19.5 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 177.4 sq m |
| Main Spans | 1 |
| Year Built | 2014 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L56700003+00001 |