SH 99 over Dayton Canal
GoodLiberty County, Texas · 0.75 MI SE of US 90 · Structure no. 201460351009335
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected July 2024
- Type
- Culvert
- Concrete
- Length
- 57 ft
- 3 main spans
- Daily traffic
- 3,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SH 99 over Dayton Canal is a concrete culvert carrying SH 99 over Dayton Canal in Liberty County, Texas. It was built in 2022, so it is 3 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 3,800 vehicles a day, roughly 10% of them trucks, projected to reach 16,650 by 2049. The structure is 57 ft (17.4 m) long.
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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 99 over Dayton Canal built?
It was built in 2022, making it 3 years old in 2025.
What condition is SH 99 over Dayton Canal 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 July 2024.
How much traffic does SH 99 over Dayton Canal carry?
About 3,800 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is SH 99 over Dayton Canal?
The structure is 57 ft (17.4 m) long with a longest span of 11 ft (3.4 m).
Who owns SH 99 over Dayton Canal?
It is owned by the State Highway Agency and maintained by the State Toll Authority.