18th ST over Up & Trra Rr
Fair Condition40 years old14,500 vehicles/day
Location
| State | Missouri |
| County | St. Louis |
| Location | S 23 T 45 N R 7 E |
| Carries | 18th ST |
| Crosses | Up & Trra Rr |
| Coordinates | 38.62391, -90.20803 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 729.0 ft (222.2 m) |
| Max Span | 137.1 ft (41.8 m) |
| Deck Width | 58.7 ft (17.9 m) |
| Deck Area | 3977.4 sq m |
| Main Spans | 3 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 14,500 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 13134 |