US 183 SB over Oak Knoll
FairTravis County, Texas · 1.1 MI S Williamson C/L · Structure no. 142270015106077
- Built
- 1997
- 28 years old
- Condition
- Fair
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 328 ft
- 2 main spans
- Daily traffic
- 60,105
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
US 183 SB over Oak Knoll is a prestressed concrete stringer/multi-beam or girder carrying US 183 SB over Oak Knoll in Travis County, Texas. It was built in 1997, so it is 28 years old, younger than the Texas average of 44.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 60,105 vehicles a day, roughly 2% of them trucks, projected to reach 83,450 by 2033. The structure is 328 ft (100 m) long and 71 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 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 Oak Knoll built?
It was built in 1997, making it 28 years old in 2025.
What condition is US 183 SB over Oak Knoll in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2023.
How much traffic does US 183 SB over Oak Knoll carry?
About 60,105 vehicles per day (2019 count), of which roughly 2% are trucks.
How long is US 183 SB over Oak Knoll?
The structure is 328 ft (100 m) long with a longest span of 125 ft (38.1 m) and a deck 71 ft wide.
Who owns US 183 SB over Oak Knoll?
It is owned by the State Highway Agency.