FM 518 over Chigger Creek
GoodGalveston County, Texas · 0.40 MI SE of FM 528 · Structure no. 120850097603032
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 141 ft
- 3 main spans
- Daily traffic
- 27,770
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
FM 518 over Chigger Creek is a prestressed concrete box beam or girders - multiple carrying FM 518 over Chigger Creek 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 27,770 vehicles a day, roughly 5% of them trucks, projected to reach 27,450 by 2033. The structure is 141 ft (43 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 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 518 over Chigger Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is FM 518 over Chigger Creek 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 August 2024.
How much traffic does FM 518 over Chigger Creek carry?
About 27,770 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is FM 518 over Chigger Creek?
The structure is 141 ft (43 m) long with a longest span of 47 ft (14.3 m) and a deck 88 ft wide.
Who owns FM 518 over Chigger Creek?
It is owned by the State Highway Agency.