US 183 SB over Onion Creek
GoodTravis County, Texas · 1.00 MI N of FM 812 · Structure no. 142270015201038
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 578 ft
- 5 main spans
- Daily traffic
- 18,135
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 183 SB over Onion Creek is a prestressed concrete stringer/multi-beam or girder carrying US 183 SB over Onion Creek in Travis County, Texas. It was built in 1990, so it is 35 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 18,135 vehicles a day, roughly 8% of them trucks, projected to reach 18,960 by 2033. The structure is 578 ft (176.2 m) long and 42 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 | 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 US 183 SB over Onion Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is US 183 SB 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 September 2024.
How much traffic does US 183 SB over Onion Creek carry?
About 18,135 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is US 183 SB over Onion Creek?
The structure is 578 ft (176.2 m) long with a longest span of 110 ft (33.5 m) and a deck 42 ft wide.
Who owns US 183 SB over Onion Creek?
It is owned by the State Highway Agency.