13th ST W over Bbwa Canal 181
Fair Condition56 years old5,400 vehicles/day
Location
| State | Montana |
| County | Yellowstone |
| Location | Billings-13th ST W |
| Carries | 13th ST W |
| Crosses | Bbwa Canal 181 |
| Coordinates | 45.79326, -108.54854 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 43.0 ft (13.1 m) |
| Max Span | 42.0 ft (12.8 m) |
| Deck Width | 60.0 ft (18.3 m) |
| Deck Area | 239.7 sq m |
| Main Spans | 1 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 5,400 (2023) |
| Truck Traffic | 3% |
| 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 | M56010000+00301 |