Nasa RD 1 over Mud Bayou
GoodHarris County, Texas · 0.5 MI W of SH 146 · Structure no. 121020098101025
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected December 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 250 ft
- 5 main spans
- Daily traffic
- 17,650
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Nasa RD 1 over Mud Bayou is a prestressed concrete slab carrying Nasa RD 1 over Mud Bayou in Harris County, Texas. It was built in 2000, so it is 25 years old, younger than the Texas average of 44.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 17,650 vehicles a day, roughly 12% of them trucks, projected to reach 24,710 by 2042. The structure is 250 ft (76.2 m) long and 107 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nasa RD 1 over Mud Bayou built?
It was built in 2000, making it 25 years old in 2025.
What condition is Nasa RD 1 over Mud Bayou in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.
How much traffic does Nasa RD 1 over Mud Bayou carry?
About 17,650 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is Nasa RD 1 over Mud Bayou?
The structure is 250 ft (76.2 m) long with a longest span of 50 ft (15.2 m) and a deck 107 ft wide.
Who owns Nasa RD 1 over Mud Bayou?
It is owned by the State Highway Agency.