Structure 18124 · Bollinger County, MO
Carries County RD 614 over Br Of Castor Rvr, S 28 T 29 N R 9 E.
A culvert 23 ft across with 2 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 | Missouri |
| County | Bollinger |
| Location | S 28 T 29 N R 9 E |
| Carries | County RD 614 |
| Crosses | Br Of Castor Rvr |
| Coordinates | 37.15085, -90.05561 |
| Material | Concrete |
| Design | Culvert |
| Total Length | 23.0 ft (7 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 55.3 sq m |
| Main Spans | 2 |
| Year Built | 1936 |
| Avg Daily Traffic | 35 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Scour Critical | 7 — Countermeasures installed |
| Structure Number | 18124 |
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.