Csah 18 over Maple River
Fair Condition63 years old328 vehicles/day
Location
| State | Minnesota |
| County | Blue Earth |
| Location | 0.4 Mi E Of Jct Csah 1 |
| Carries | Csah 18 |
| Crosses | Maple River |
| Coordinates | 43.93497, -94.07076 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 136.2 ft (41.5 m) |
| Max Span | 50.2 ft (15.3 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 377.6 sq m |
| Main Spans | 3 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 328 (2021) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 07507 |