S 84 over Madison River
Good Condition34 years old2,234 vehicles/day
Location
| State | Montana |
| County | Madison |
| Location | 7m NE Norris |
| Carries | S 84 |
| Crosses | Madison River |
| Coordinates | 45.60760, -111.57369 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 431.8 ft (131.6 m) |
| Max Span | 103.0 ft (31.4 m) |
| Deck Width | 38.4 ft (11.7 m) |
| Deck Area | 1539.7 sq m |
| Main Spans | 4 |
| Year Built | 1992 |
Traffic
| Avg Daily Traffic | 2,234 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00084007+09711 |