SH 121 over Drain
GoodDenton County, Texas · 0.45 MI NE of FM 423 · Structure no. 180610036403108
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected April 2023
- Type
- Culvert
- Concrete
- Length
- 35 ft
- 4 main spans
- Daily traffic
- 18,823
- 2023 count
- Owner
- Toll Authority
- Local Toll Authority
About this bridge
SH 121 over Drain is a concrete culvert carrying SH 121 over Drain in Denton County, Texas. It was built in 2006, so it is 19 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 18,823 vehicles a day, roughly 6% of them trucks, projected to reach 145,830 by 2031. The structure is 35 ft (10.7 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 | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 121 over Drain built?
It was built in 2006, making it 19 years old in 2025.
What condition is SH 121 over Drain 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 April 2023.
How much traffic does SH 121 over Drain carry?
About 18,823 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is SH 121 over Drain?
The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m).
Who owns SH 121 over Drain?
It is owned by the Local Toll Authority.