US 181 NB over Drainage Ditch
GoodSan Patricio County, Texas · 1.30 MI NW of FM 631 · Structure no. 162050010104048
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected January 2024
- Type
- Culvert
- Concrete
- Length
- 27 ft
- 5 main spans
- Daily traffic
- 4,465
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 181 NB over Drainage Ditch is a concrete culvert carrying US 181 NB over Drainage Ditch in San Patricio County, Texas. It was built in 1965, so it is 60 years old, older 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 4,465 vehicles a day, roughly 9% of them trucks, projected to reach 7,858 by 2042. The structure is 27 ft (8.2 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 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 US 181 NB over Drainage Ditch built?
It was built in 1965, making it 60 years old in 2025.
What condition is US 181 NB over Drainage Ditch 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 January 2024.
How much traffic does US 181 NB over Drainage Ditch carry?
About 4,465 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is US 181 NB over Drainage Ditch?
The structure is 27 ft (8.2 m) long with a longest span of 5 ft (1.5 m) and a deck 45 ft wide.
Who owns US 181 NB over Drainage Ditch?
It is owned by the State Highway Agency.