Structure L6408 · Mille Lacs County, MN
Carries T 114 over Stony Brook, 0.3 Mi S Of Jct Csah 11.
A culvert 24 ft across with 3 openings. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.
| State | Minnesota |
| County | Mille Lacs |
| Location | 0.3 Mi S Of Jct Csah 11 |
| Carries | T 114 |
| Crosses | Stony Brook |
| Coordinates | 45.80352, -93.74262 |
| Material | Concrete |
| Design | Culvert |
| Total Length | 24.3 ft (7.4 m) |
| Max Span | 6.2 ft (1.9 m) |
| Deck Area | 54.0 sq m |
| Main Spans | 3 |
| Year Built | 1984 |
| Avg Daily Traffic | 33 (1986) |
| Lanes On Bridge | 2 |
| Last Inspection | September 2022 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Scour Critical | 8 — Stable, low risk |
| Structure Number | L6408 |
Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."
A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.