Nasa RD 1 over Kobayashi RD
GoodHarris County, Texas · 0.4 MI SE of FM 528 · Structure no. 121020050003162
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected November 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 832 ft
- 8 main spans
- Daily traffic
- 100,000
- 2011 count
- Owner
- State
- State Highway Agency
About this bridge
Nasa RD 1 over Kobayashi RD is a prestressed concrete stringer/multi-beam or girder carrying Nasa RD 1 over Kobayashi RD in Harris County, Texas. It was built in 2009, so it is 16 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 100,000 vehicles a day, roughly 10% of them trucks, projected to reach 125,000 by 2031. The structure is 832 ft (253.6 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nasa RD 1 over Kobayashi RD built?
It was built in 2009, making it 16 years old in 2025.
What condition is Nasa RD 1 over Kobayashi RD 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 November 2022.
How much traffic does Nasa RD 1 over Kobayashi RD carry?
About 100,000 vehicles per day (2011 count), of which roughly 10% are trucks.
How long is Nasa RD 1 over Kobayashi RD?
The structure is 832 ft (253.6 m) long with a longest span of 104 ft (31.7 m) and a deck 57 ft wide.
Who owns Nasa RD 1 over Kobayashi RD?
It is owned by the State Highway Agency.