Nasa RD 1 over Mud / Clear Lake
FairHarris County, Texas · 3.4 MI NE of SH 3 · Structure no. 121020098101023
- Built
- 1998
- 27 years old
- Condition
- Fair
- inspected November 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 1,390 ft
- 28 main spans
- Daily traffic
- 37,468
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Nasa RD 1 over Mud / Clear Lake is a prestressed concrete slab carrying Nasa RD 1 over Mud / Clear Lake in Harris County, Texas. It was built in 1998, so it is 27 years old, younger than the Texas average of 44.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 37,468 vehicles a day, roughly 8% of them trucks, projected to reach 52,455 by 2042. The structure is 1,390 ft (423.7 m) long and 79 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nasa RD 1 over Mud / Clear Lake built?
It was built in 1998, making it 27 years old in 2025.
What condition is Nasa RD 1 over Mud / Clear Lake in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does Nasa RD 1 over Mud / Clear Lake carry?
About 37,468 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is Nasa RD 1 over Mud / Clear Lake?
The structure is 1,390 ft (423.7 m) long with a longest span of 48 ft (14.6 m) and a deck 79 ft wide.
Who owns Nasa RD 1 over Mud / Clear Lake?
It is owned by the State Highway Agency.