Theiss RD S over Is 270
Good Condition33 years old1,207 vehicles/day
Location
| State | Missouri |
| County | St. Louis |
| Location | S 1988 T 44 N R 6 E |
| Carries | Theiss RD S |
| Crosses | Is 270 |
| Coordinates | 38.50836, -90.35380 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 267.1 ft (81.4 m) |
| Max Span | 116.1 ft (35.4 m) |
| Deck Width | 41.3 ft (12.6 m) |
| Deck Area | 1025.6 sq m |
| Main Spans | 2 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 1,207 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 12 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 3884 |