FM 493 over Donna Drain
GoodHidalgo County, Texas · 0.30 MI S of SH 107 · Structure no. 211090086301010
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 100 ft
- 2 main spans
- Daily traffic
- 9,359
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
FM 493 over Donna Drain is a prestressed concrete box beam or girders - multiple carrying FM 493 over Donna Drain in Hidalgo County, Texas. It was built in 1988, so it is 37 years old, younger 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 9,359 vehicles a day, roughly 5% of them trucks, projected to reach 8,950 by 2033. The structure is 100 ft (30.5 m) long and 42 ft wide. If it were closed, the detour would be 11.8 mi (19 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM 493 over Donna Drain built?
It was built in 1988, making it 37 years old in 2025.
What condition is FM 493 over Donna Drain 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 May 2023.
How much traffic does FM 493 over Donna Drain carry?
About 9,359 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is FM 493 over Donna Drain?
The structure is 100 ft (30.5 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.
Who owns FM 493 over Donna Drain?
It is owned by the State Highway Agency.