US 90A over S Post Oak RD
GoodHarris County, Texas · US 90A at South Post Oak · Structure no. 121020002709312
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 2,398 ft
- 3 main spans
- Daily traffic
- 95,631
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 90A over S Post Oak RD is a steel continuous stringer/multi-beam or girder carrying US 90A over S Post Oak RD in Harris County, Texas. It was built in 2007, so it is 18 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 95,631 vehicles a day, roughly 2% of them trucks, projected to reach 141,534 by 2042. The structure is 2,398 ft (730.9 m) long and 93 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 US 90A over S Post Oak RD built?
It was built in 2007, making it 18 years old in 2025.
What condition is US 90A over S Post Oak 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 December 2024.
How much traffic does US 90A over S Post Oak RD carry?
About 95,631 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is US 90A over S Post Oak RD?
The structure is 2,398 ft (730.9 m) long with a longest span of 187 ft (57 m) and a deck 93 ft wide.
Who owns US 90A over S Post Oak RD?
It is owned by the State Highway Agency.