S 21 over Spring Creek Coulee 124
Fair Condition44 years old260 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | 5m E Augusta |
| Carries | S 21 |
| Crosses | Spring Creek Coulee 124 |
| Coordinates | 47.50421, -112.28029 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 20.0 ft (6.1 m) |
| Max Span | 7.9 ft (2.4 m) |
| Deck Area | 44.5 sq m |
| Main Spans | 2 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 260 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L25400004+04001 |