IH 35 Nbml over South San Gabriel River
FairWilliamson County, Texas · 0.3 MI S of SH 29 · Structure no. 142460001508246
- Built
- 1965
- 60 years old, rebuilt 2001
- Condition
- Fair
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 520 ft
- 8 main spans
- Daily traffic
- 51,726
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
IH 35 Nbml over South San Gabriel River is a prestressed concrete stringer/multi-beam or girder carrying IH 35 Nbml over South San Gabriel River in Williamson County, Texas. It was built in 1965 and reconstructed in 2001, so it is 60 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 51,726 vehicles a day, roughly 14% of them trucks, projected to reach 72,416 by 2041. The structure is 520 ft (158.5 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 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 IH 35 Nbml over South San Gabriel River built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2001.
What condition is IH 35 Nbml 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 February 2023.
How much traffic does IH 35 Nbml over South San Gabriel River carry?
About 51,726 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is IH 35 Nbml over South San Gabriel River?
The structure is 520 ft (158.5 m) long with a longest span of 65 ft (19.8 m) and a deck 57 ft wide.
Who owns IH 35 Nbml over South San Gabriel River?
It is owned by the State Highway Agency.