Hesper RD over Big Ditch 113
Fair Condition88 years old522 vehicles/day
Location
| State | Montana |
| County | Yellowstone |
| Location | 5m NE Laurel |
| Carries | Hesper RD |
| Crosses | Big Ditch 113 |
| Coordinates | 45.74066, -108.70665 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 35.8 ft (10.9 m) |
| Deck Area | 79.6 sq m |
| Main Spans | 1 |
| Year Built | 1938 (reconstructed 1973) |
Traffic
| Avg Daily Traffic | 522 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L56526004+03001 |