US 77 SB over US 181 & Drain
FairSan Patricio County, Texas · 1.20 MI NE of SH 188 · Structure no. 162050037104092
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 400 ft
- 4 main spans
- Daily traffic
- 7,360
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
US 77 SB over US 181 & Drain is a prestressed concrete stringer/multi-beam or girder carrying US 77 SB over US 181 & Drain in San Patricio 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 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 7,360 vehicles a day, roughly 30% of them trucks, projected to reach 19,880 by 2031. The structure is 400 ft (121.9 m) long and 40 ft wide. 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 77 SB over US 181 & Drain built?
It was built in 1991, making it 34 years old in 2025.
What condition is US 77 SB over US 181 & 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 March 2024.
How much traffic does US 77 SB over US 181 & Drain carry?
About 7,360 vehicles per day (2016 count), of which roughly 30% are trucks.
How long is US 77 SB over US 181 & Drain?
The structure is 400 ft (121.9 m) long with a longest span of 100 ft (30.5 m) and a deck 40 ft wide.
Who owns US 77 SB over US 181 & Drain?
It is owned by the State Highway Agency.