US 79 over Drain
FairWilliamson County, Texas · 5.9 MI E of JCT IH 35 · Structure no. 142460020401008
- Built
- 1926
- 99 years old, rebuilt 2006
- Condition
- Fair
- inspected January 2023
- Type
- Slab
- Concrete
- Length
- 44 ft
- 2 main spans
- Daily traffic
- 34,708
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US 79 over Drain is a concrete slab carrying US 79 over Drain in Williamson County, Texas. It was built in 1926 and reconstructed in 2006, so it is 99 years old, older 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 5 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 34,708 vehicles a day, roughly 6% of them trucks, projected to reach 50,674 by 2041. The structure is 44 ft (13.4 m) long and 177 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 79 over Drain built?
It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2006.
What condition is US 79 over Drain 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 79 over Drain carry?
About 34,708 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is US 79 over Drain?
The structure is 44 ft (13.4 m) long with a longest span of 22 ft (6.7 m) and a deck 177 ft wide.
Who owns US 79 over Drain?
It is owned by the State Highway Agency.