County Road 811 over Ten Mile Creek 131
Fair Condition21 years old100 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | W Edge Of Helena |
| Carries | County Road 811 |
| Crosses | Ten Mile Creek 131 |
| Coordinates | 46.59394, -112.11332 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 26.6 ft (8.1 m) |
| Max Span | 25.3 ft (7.7 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 59.1 sq m |
| Main Spans | 1 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L25811000+01001 |