SH 121 NB over W Sandy Lake RD
GoodDallas County, Texas · 1.5 MI NE of IH 635 · Structure no. 180570036402617
- Built
- 2017
- 8 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 251 ft
- 2 main spans
- Daily traffic
- 55,300
- 2005 count
- Owner
- State
- State Highway Agency
About this bridge
SH 121 NB over W Sandy Lake RD is a prestressed concrete stringer/multi-beam or girder carrying SH 121 NB over W Sandy Lake RD in Dallas County, Texas. It was built in 2017, so it is 8 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 55,300 vehicles a day, roughly 5% of them trucks, projected to reach 100,500 by 2025. The structure is 251 ft (76.5 m) long and 94 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 121 NB over W Sandy Lake RD built?
It was built in 2017, making it 8 years old in 2025.
What condition is SH 121 NB over W Sandy Lake RD 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 NB over W Sandy Lake RD carry?
About 55,300 vehicles per day (2005 count), of which roughly 5% are trucks.
How long is SH 121 NB over W Sandy Lake RD?
The structure is 251 ft (76.5 m) long with a longest span of 126 ft (38.4 m) and a deck 94 ft wide.
Who owns SH 121 NB over W Sandy Lake RD?
It is owned by the State Highway Agency.