Ss 379 over Onion Creek
GoodWilliamson County, Texas · 0.3 MI N of US 79 · Structure no. 142460001516437
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 120 ft
- 2 main spans
- Daily traffic
- 17,562
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Ss 379 over Onion Creek is a prestressed concrete box beam or girders - multiple carrying Ss 379 over Onion Creek in Williamson County, Texas. It was built in 1992, so it is 33 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 17,562 vehicles a day, roughly 2% of them trucks, projected to reach 24,481 by 2039. The structure is 120 ft (36.6 m) long and 77 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Ss 379 over Onion Creek built?
It was built in 1992, making it 33 years old in 2025.
What condition is Ss 379 over Onion 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 December 2023.
How much traffic does Ss 379 over Onion Creek carry?
About 17,562 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Ss 379 over Onion Creek?
The structure is 120 ft (36.6 m) long with a longest span of 60 ft (18.3 m) and a deck 77 ft wide.
Who owns Ss 379 over Onion Creek?
It is owned by the City or Municipal Highway Agency.