US 181 over Drain
FairSan Patricio County, Texas · 0.03 MI N of FM 3239 · Structure no. 162050010104062
- Built
- 1970
- 55 years old, rebuilt 1987
- Condition
- Fair
- inspected April 2024
- Type
- Culvert
- Concrete
- Length
- 37 ft
- 5 main spans
- Daily traffic
- 35,542
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 181 over Drain is a concrete culvert carrying US 181 over Drain in San Patricio County, Texas. It was built in 1970 and reconstructed in 1987, so it is 55 years old, older than the Texas average of 44.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 35,542 vehicles a day, roughly 7% of them trucks, projected to reach 49,759 by 2042. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 181 over Drain built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1987.
What condition is US 181 over Drain in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.
How much traffic does US 181 over Drain carry?
About 35,542 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is US 181 over Drain?
The structure is 37 ft (11.3 m) long with a longest span of 6 ft (1.8 m).
Who owns US 181 over Drain?
It is owned by the State Highway Agency.