Sienna Pkwy over Lower Oyster Creek
GoodFort Bend County, Texas · 3.85 MI W of FM 521 · Structure no. 120800AA1107227
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 195 ft
- 3 main spans
- Daily traffic
- 30,959
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Sienna Pkwy over Lower Oyster Creek is a prestressed concrete stringer/multi-beam or girder carrying Sienna Pkwy over Lower Oyster Creek in Fort Bend County, Texas. It was built in 2015, so it is 10 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 30,959 vehicles a day, roughly 4% of them trucks, projected to reach 43,343 by 2042. The structure is 195 ft (59.4 m) long and 80 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 | 8 Very Good | No problems noted. |
| 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 Sienna Pkwy over Lower Oyster Creek built?
It was built in 2015, making it 10 years old in 2025.
What condition is Sienna Pkwy over Lower Oyster Creek 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 2023.
How much traffic does Sienna Pkwy over Lower Oyster Creek carry?
About 30,959 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is Sienna Pkwy over Lower Oyster Creek?
The structure is 195 ft (59.4 m) long with a longest span of 65 ft (19.8 m) and a deck 80 ft wide.
Who owns Sienna Pkwy over Lower Oyster Creek?
It is owned by the County Highway Agency.