SH 225 over Big Island Slough
GoodHarris County, Texas · 2.80 MI W of SH 146 · Structure no. 121020050201063
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected August 2024
- Type
- Culvert
- Concrete
- Length
- 26 ft
- 3 main spans
- Daily traffic
- 75,384
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SH 225 over Big Island Slough is a concrete culvert carrying SH 225 over Big Island Slough in Harris County, Texas. It was built in 1991, so it is 34 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 75,384 vehicles a day, roughly 20% of them trucks, projected to reach 105,538 by 2042. The structure is 26 ft (7.9 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 225 over Big Island Slough built?
It was built in 1991, making it 34 years old in 2025.
What condition is SH 225 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 August 2024.
How much traffic does SH 225 over Big Island Slough carry?
About 75,384 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is SH 225 over Big Island Slough?
The structure is 26 ft (7.9 m) long with a longest span of 7 ft (2.1 m).
Who owns SH 225 over Big Island Slough?
It is owned by the State Highway Agency.