Union RD over Gravois CR
Fair Condition59 years old11,550 vehicles/day
Location
| State | Missouri |
| County | St. Louis |
| Location | S 26 T 44 N R 6 E |
| Carries | Union RD |
| Crosses | Gravois CR |
| Coordinates | 38.52208, -90.32010 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 157.2 ft (47.9 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 59.7 ft (18.2 m) |
| Deck Area | 871.8 sq m |
| Main Spans | 2 |
| Year Built | 1967 (reconstructed 1993) |
Traffic
| Avg Daily Traffic | 11,550 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 15630 |