Helium RD over Trib Lit Medicine
Poor Condition76 years old30 vehicles/day
Location
| State | Missouri |
| County | Mercer |
| Location | S 16 T 64 N R 22 W |
| Carries | Helium RD |
| Crosses | Trib Lit Medicine |
| Coordinates | 40.35020, -93.38624 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 14.1 ft (4.3 m) |
| Deck Area | 39.1 sq m |
| Main Spans | 1 |
| Year Built | 1950 (reconstructed 1989) |
Traffic
| Avg Daily Traffic | 30 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20872 |