Augusta RD over Dearborn River 011
Fair Condition130 years old31 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | 18m S Augusta |
| Carries | Augusta RD |
| Crosses | Dearborn River 011 |
| Coordinates | 47.28116, -112.39111 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 251.0 ft (76.5 m) |
| Max Span | 160.1 ft (48.8 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 374.9 sq m |
| Main Spans | 1 |
| Year Built | 1896 (reconstructed 2003) |
Traffic
| Avg Daily Traffic | 31 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | L25300009+00001 |