Nasa RD 1 over FM 270 & Cow Bayou
Good Condition18 years old41,441 vehicles/day
Location
| State | Texas |
| County | Harris |
| Location | 1.3 Mi NE Of SH 3 |
| Carries | Nasa RD 1 |
| Crosses | FM 270 & Cow Bayou |
| Coordinates | 29.54643, -95.10487 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 6 — Scour calculated, stable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 978.0 ft (298.1 m) |
| Max Span | 113.8 ft (34.7 m) |
| Deck Width | 107.6 ft (32.8 m) |
| Deck Area | 9777.7 sq m |
| Main Spans | 9 |
| Year Built | 2008 |
Traffic
| Avg Daily Traffic | 41,441 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 9 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 121020098101028 |