US 77 over Monkey Slough
FairRefugio County, Texas · 1.5 MI SW of FM 2441 · Structure no. 161960037103028
- Built
- 1930
- 95 years old, rebuilt 1987
- Condition
- Fair
- inspected July 2024
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 14,169
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 77 over Monkey Slough is a concrete culvert carrying US 77 over Monkey Slough in Refugio County, Texas. It was built in 1930 and reconstructed in 1987, so it is 95 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 14,169 vehicles a day, roughly 39% of them trucks, projected to reach 19,837 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 34.2 mi (55 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 | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 77 over Monkey Slough built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1987.
What condition is US 77 over Monkey Slough 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 July 2024.
How much traffic does US 77 over Monkey Slough carry?
About 14,169 vehicles per day (2022 count), of which roughly 39% are trucks.
How long is US 77 over Monkey Slough?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).
Who owns US 77 over Monkey Slough?
It is owned by the State Highway Agency.