FM 491 over Drainage Ditch
FairHidalgo County, Texas · 4.5 MI S of SH 107 · Structure no. 211090086101013
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected May 2023
- Type
- Culvert
- Concrete
- Length
- 35 ft
- 3 main spans
- Daily traffic
- 2,704
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
FM 491 over Drainage Ditch is a concrete culvert carrying FM 491 over Drainage Ditch in Hidalgo County, Texas. It was built in 1992, so it is 33 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 2,704 vehicles a day, roughly 28% of them trucks, projected to reach 2,880 by 2025. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 3.1 mi (5 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 FM 491 over Drainage Ditch built?
It was built in 1992, making it 33 years old in 2025.
What condition is FM 491 over Drainage Ditch 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 May 2023.
How much traffic does FM 491 over Drainage Ditch carry?
About 2,704 vehicles per day (2020 count), of which roughly 28% are trucks.
How long is FM 491 over Drainage Ditch?
The structure is 35 ft (10.7 m) long with a longest span of 10 ft (3 m).
Who owns FM 491 over Drainage Ditch?
It is owned by the State Highway Agency.