FM 523 over Dow Barge Canal
FairBrazoria County, Texas · 1.00 MI S of SH 332 · Structure no. 120200100301012
- Built
- 1965
- 60 years old, rebuilt 1992
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 341 ft
- 1 main span
- Daily traffic
- 11,980
- 2013 count
- Owner
- State
- State Highway Agency
About this bridge
FM 523 over Dow Barge Canal is a prestressed concrete stringer/multi-beam or girder carrying FM 523 over Dow Barge Canal in Brazoria County, Texas. It was built in 1965 and reconstructed in 1992, so it is 60 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 11,980 vehicles a day, roughly 4% of them trucks, projected to reach 16,770 by 2033. The structure is 341 ft (103.9 m) long and 47 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 523 over Dow Barge Canal built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1992.
What condition is FM 523 over Dow Barge 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 December 2024.
How much traffic does FM 523 over Dow Barge Canal carry?
About 11,980 vehicles per day (2013 count), of which roughly 4% are trucks.
How long is FM 523 over Dow Barge Canal?
The structure is 341 ft (103.9 m) long with a longest span of 100 ft (30.5 m) and a deck 47 ft wide.
Who owns FM 523 over Dow Barge Canal?
It is owned by the State Highway Agency.