Nasa RD 1 over Mud Bayou
Good Condition26 years old17,650 vehicles/day
Location
| State | Texas |
| County | Harris |
| Location | 0.5 Mi W Of SH 146 |
| Carries | Nasa RD 1 |
| Crosses | Mud Bayou |
| Coordinates | 29.56061, -95.03278 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 6 — Scour calculated, stable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 250.0 ft (76.2 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 107.0 ft (32.6 m) |
| Deck Area | 2484.1 sq m |
| Main Spans | 5 |
| Year Built | 2000 |
Traffic
| Avg Daily Traffic | 17,650 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 7 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 121020098101025 |