SH 121 Sbfr over W Rowlett Creek
GoodCollin County, Texas · 0.1 MI W of FM 2478 · Structure no. 180430036404132
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 330 ft
- 3 main spans
- Daily traffic
- 16,761
- 2020 count
- Owner
- Toll Authority
- Local Toll Authority
About this bridge
SH 121 Sbfr over W Rowlett Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 121 Sbfr over W Rowlett Creek in Collin County, Texas. It was built in 2005, so it is 20 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 16,761 vehicles a day, roughly 5% of them trucks, projected to reach 23,465 by 2040. The structure is 330 ft (100.6 m) long and 51 ft wide.
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 | 8 Very Good | No problems noted. |
| 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 SH 121 Sbfr over W Rowlett Creek built?
It was built in 2005, making it 20 years old in 2025.
What condition is SH 121 Sbfr over W Rowlett 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 October 2023.
How much traffic does SH 121 Sbfr over W Rowlett Creek carry?
About 16,761 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is SH 121 Sbfr over W Rowlett Creek?
The structure is 330 ft (100.6 m) long with a longest span of 110 ft (33.5 m) and a deck 51 ft wide.
Who owns SH 121 Sbfr over W Rowlett Creek?
It is owned by the Local Toll Authority.