US 183 Nbfr over South San Gabriel River
GoodWilliamson County, Texas · 2.4 MI S of SH 29 · Structure no. 142460015104487
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 460 ft
- 4 main spans
- Daily traffic
- 19,519
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
US 183 Nbfr over South San Gabriel River is a prestressed concrete stringer/multi-beam or girder carrying US 183 Nbfr over South San Gabriel River in Williamson County, Texas. It was built in 2010, so it is 15 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 19,519 vehicles a day, roughly 7% of them trucks, projected to reach 23,423 by 2039. The structure is 460 ft (140.2 m) long and 46 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 183 Nbfr over South San Gabriel River built?
It was built in 2010, making it 15 years old in 2025.
What condition is US 183 Nbfr over South San Gabriel River 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 February 2023.
How much traffic does US 183 Nbfr over South San Gabriel River carry?
About 19,519 vehicles per day (2019 count), of which roughly 7% are trucks.
How long is US 183 Nbfr over South San Gabriel River?
The structure is 460 ft (140.2 m) long with a longest span of 115 ft (35.1 m) and a deck 46 ft wide.
Who owns US 183 Nbfr over South San Gabriel River?
It is owned by the State Highway Agency.