FM 521 over American Water Canal
FairFort Bend County, Texas · 2.70 MI S of FM 2234 · Structure no. 120800011103025
- Built
- 1949
- 76 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 50 ft
- 2 main spans
- Daily traffic
- 22,721
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
FM 521 over American Water Canal is a concrete continuous slab carrying FM 521 over American Water Canal in Fort Bend County, Texas. It was built in 1949, so it is 76 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 22,721 vehicles a day, roughly 7% of them trucks, projected to reach 31,809 by 2042. The structure is 50 ft (15.2 m) long and 42 ft wide. If it were closed, the detour would be 13 mi (21 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 521 over American Water Canal built?
It was built in 1949, making it 76 years old in 2025.
What condition is FM 521 over American Water Canal 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 September 2024.
How much traffic does FM 521 over American Water Canal carry?
About 22,721 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is FM 521 over American Water Canal?
The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.6 m) and a deck 42 ft wide.
Who owns FM 521 over American Water Canal?
It is owned by the State Highway Agency.