Austin Avenue over South San Gabriel River
FairWilliamson County, Texas · 2.4 MI S of IH 35 · Structure no. 142460D00025002
- Built
- 1940
- 85 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 367 ft
- 1 main span
- Daily traffic
- 19,200
- 2010 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Austin Avenue over South San Gabriel River is a steel continuous stringer/multi-beam or girder carrying Austin Avenue over South San Gabriel River in Williamson County, Texas. It was built in 1940, so it is 85 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 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 19,200 vehicles a day, roughly 6% of them trucks, projected to reach 26,880 by 2030. The structure is 367 ft (111.9 m) long and 53 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Austin Avenue over South San Gabriel River built?
It was built in 1940, making it 85 years old in 2025.
What condition is Austin Avenue over South San Gabriel River 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 November 2023.
How much traffic does Austin Avenue over South San Gabriel River carry?
About 19,200 vehicles per day (2010 count), of which roughly 6% are trucks.
How long is Austin Avenue over South San Gabriel River?
The structure is 367 ft (111.9 m) long with a longest span of 85 ft (25.9 m) and a deck 53 ft wide.
Who owns Austin Avenue over South San Gabriel River?
It is owned by the City or Municipal Highway Agency.