SH 121 Nbfr over Denton Creek
GoodDallas County, Texas · 0.25 MI SW of Denton C/L · Structure no. 180570036402452
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 675 ft
- 8 main spans
- Daily traffic
- 2,367
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SH 121 Nbfr over Denton Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 121 Nbfr over Denton Creek in Dallas County, Texas. It was built in 1998, so it is 27 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 2,367 vehicles a day, roughly 5% of them trucks, projected to reach 8,000 by 2036. The structure is 675 ft (205.7 m) long and 40 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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 121 Nbfr over Denton Creek built?
It was built in 1998, making it 27 years old in 2025.
What condition is SH 121 Nbfr over Denton 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 February 2024.
How much traffic does SH 121 Nbfr over Denton Creek carry?
About 2,367 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is SH 121 Nbfr over Denton Creek?
The structure is 675 ft (205.7 m) long with a longest span of 84 ft (25.7 m) and a deck 40 ft wide.
Who owns SH 121 Nbfr over Denton Creek?
It is owned by the State Highway Agency.