Red Bluff RD SB over Big Island Slough
GoodHarris County, Texas · 1.2 M NW of Bay Area Blvd · Structure no. 121020AA2636123
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 200 ft
- 3 main spans
- Daily traffic
- 8,850
- 2009 count
- Owner
- County
- County Highway Agency
About this bridge
Red Bluff RD SB over Big Island Slough is a prestressed concrete stringer/multi-beam or girder carrying Red Bluff RD SB over Big Island Slough in Harris County, Texas. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 8,850 vehicles a day, projected to reach 10,000 by 2028. The structure is 200 ft (61 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Red Bluff RD SB over Big Island Slough built?
It was built in 2021, making it 4 years old in 2025.
What condition is Red Bluff RD SB over Big Island Slough 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 October 2023.
How much traffic does Red Bluff RD SB over Big Island Slough carry?
About 8,850 vehicles per day (2009 count).
How long is Red Bluff RD SB over Big Island Slough?
The structure is 200 ft (61 m) long with a longest span of 70 ft (21.3 m) and a deck 47 ft wide.
Who owns Red Bluff RD SB over Big Island Slough?
It is owned by the County Highway Agency.