FM 521 over Colorado River Relief
GoodMatagorda County, Texas · 3.05 MI W of SH 60 · Structure no. 131580084603017
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 490 ft
- 7 main spans
- Daily traffic
- 1,865
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
FM 521 over Colorado River Relief is a prestressed concrete stringer/multi-beam or girder carrying FM 521 over Colorado River Relief in Matagorda County, Texas. It was built in 2013, so it is 12 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 1,865 vehicles a day, roughly 13% of them trucks, projected to reach 2,611 by 2042. The structure is 490 ft (149.4 m) long and 56 ft wide. If it were closed, the detour would be 24.2 mi (39 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM 521 over Colorado River Relief built?
It was built in 2013, making it 12 years old in 2025.
What condition is FM 521 over Colorado River Relief 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 November 2024.
How much traffic does FM 521 over Colorado River Relief carry?
About 1,865 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is FM 521 over Colorado River Relief?
The structure is 490 ft (149.4 m) long with a longest span of 70 ft (21.3 m) and a deck 56 ft wide.
Who owns FM 521 over Colorado River Relief?
It is owned by the State Highway Agency.