SH 121 SB Off Ramp over Timber Creek
GoodDenton County, Texas · 0.10 MI E of IH 35E · Structure no. 180610354701005
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 1,143 ft
- 11 main spans
- Daily traffic
- 15,000
- 2014 count
- Owner
- Toll Authority
- Local Toll Authority
About this bridge
SH 121 SB Off Ramp over Timber Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 121 SB Off Ramp over Timber Creek in Denton County, Texas. It was built in 1999, so it is 26 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 15,000 vehicles a day, projected to reach 18,000 by 2034. The structure is 1,143 ft (348.4 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 121 SB Off Ramp over Timber Creek built?
It was built in 1999, making it 26 years old in 2025.
What condition is SH 121 SB Off Ramp over Timber 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 November 2023.
How much traffic does SH 121 SB Off Ramp over Timber Creek carry?
About 15,000 vehicles per day (2014 count).
How long is SH 121 SB Off Ramp over Timber Creek?
The structure is 1,143 ft (348.4 m) long with a longest span of 112 ft (34.1 m) and a deck 43 ft wide.
Who owns SH 121 SB Off Ramp over Timber Creek?
It is owned by the Local Toll Authority.