S 223 over Marias River
Fair Condition60 years old270 vehicles/day
Location
| State | Montana |
| County | Liberty |
| Location | 18m SE Chester |
| Carries | S 223 |
| Crosses | Marias River |
| Coordinates | 48.25966, -110.89161 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 347.8 ft (106 m) |
| Max Span | 71.5 ft (21.8 m) |
| Deck Width | 33.8 ft (10.3 m) |
| Deck Area | 1091.8 sq m |
| Main Spans | 5 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 270 (2023) |
| Truck Traffic | 58% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00223034+03571 |