SH 121 S to Dnt over Exit Ramp to SH 121 Sbfr
GoodCollin County, Texas · 0.7 MI E of Dnt · Structure no. 180430036404635
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 716 ft
- 6 main spans
- Daily traffic
- 16,986
- 2023 count
- Owner
- Toll Authority
- Local Toll Authority
About this bridge
SH 121 S to Dnt over Exit Ramp to SH 121 Sbfr is a prestressed concrete stringer/multi-beam or girder carrying SH 121 S to Dnt over Exit Ramp to SH 121 Sbfr in Collin County, Texas. It was built in 2011, so it is 14 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 16,986 vehicles a day, roughly 2% of them trucks, projected to reach 15,700 by 2030. The structure is 716 ft (218.2 m) long and 28 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 121 S to Dnt over Exit Ramp to SH 121 Sbfr built?
It was built in 2011, making it 14 years old in 2025.
What condition is SH 121 S to Dnt over Exit Ramp to SH 121 Sbfr 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 November 2023.
How much traffic does SH 121 S to Dnt over Exit Ramp to SH 121 Sbfr carry?
About 16,986 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is SH 121 S to Dnt over Exit Ramp to SH 121 Sbfr?
The structure is 716 ft (218.2 m) long with a longest span of 126 ft (38.4 m) and a deck 28 ft wide.
Who owns SH 121 S to Dnt over Exit Ramp to SH 121 Sbfr?
It is owned by the Local Toll Authority.