FM 518 over Drainage Ditch
GoodGalveston County, Texas · 0.86 MI SE of FM 528 · Structure no. 120850097603033
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected November 2024
- Type
- Culvert
- Concrete
- Length
- 28 ft
- 2 main spans
- Daily traffic
- 19,276
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
FM 518 over Drainage Ditch is a concrete culvert carrying FM 518 over Drainage Ditch in Galveston County, Texas. It was built in 1989, so it is 36 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 19,276 vehicles a day, roughly 5% of them trucks, projected to reach 19,950 by 2033. The structure is 28 ft (8.5 m) long and 163 ft wide. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM 518 over Drainage Ditch built?
It was built in 1989, making it 36 years old in 2025.
What condition is FM 518 over Drainage Ditch 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 518 over Drainage Ditch carry?
About 19,276 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is FM 518 over Drainage Ditch?
The structure is 28 ft (8.5 m) long with a longest span of 10 ft (3 m) and a deck 163 ft wide.
Who owns FM 518 over Drainage Ditch?
It is owned by the State Highway Agency.