SH 121 over Trib of Cottonwood Creek
FairCollin County, Texas · 1.6 MI SW of US 75 · Structure no. 180430036404147
- Built
- 2006
- 19 years old
- Condition
- Fair
- inspected November 2023
- Type
- Culvert
- Concrete
- Length
- 35 ft
- 3 main spans
- Daily traffic
- 45,592
- 2018 count
- Owner
- Toll Authority
- Local Toll Authority
About this bridge
SH 121 over Trib of Cottonwood Creek is a concrete culvert carrying SH 121 over Trib of Cottonwood Creek in Collin 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 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 45,592 vehicles a day, roughly 6% of them trucks, projected to reach 63,829 by 2038. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 9.9 mi (16 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 121 over Trib of Cottonwood Creek built?
It was built in 2006, making it 19 years old in 2025.
What condition is SH 121 over Trib of Cottonwood Creek 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 November 2023.
How much traffic does SH 121 over Trib of Cottonwood Creek carry?
About 45,592 vehicles per day (2018 count), of which roughly 6% are trucks.
How long is SH 121 over Trib of Cottonwood Creek?
The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m).
Who owns SH 121 over Trib of Cottonwood Creek?
It is owned by the Local Toll Authority.