CR 171 over Austin Bayou
GoodBrazoria County, Texas · 4.60 MI SW of CR 203 · Structure no. 120200AA0813001
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 200 ft
- 5 main spans
- Daily traffic
- 477
- 2016 count
- Owner
- County
- County Highway Agency
About this bridge
CR 171 over Austin Bayou is a prestressed concrete box beam or girders - multiple carrying CR 171 over Austin Bayou in Brazoria County, Texas. It was built in 2004, so it is 21 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 477 vehicles a day, roughly 1% of them trucks, projected to reach 1,500 by 2031. The structure is 200 ft (61 m) long and 42 ft wide. If it were closed, the detour would be 16.2 mi (26 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 CR 171 over Austin Bayou built?
It was built in 2004, making it 21 years old in 2025.
What condition is CR 171 over Austin Bayou 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 CR 171 over Austin Bayou carry?
About 477 vehicles per day (2016 count), of which roughly 1% are trucks.
How long is CR 171 over Austin Bayou?
The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.
Who owns CR 171 over Austin Bayou?
It is owned by the County Highway Agency.