IH 35 Ml over San Marcos River
GoodHays County, Texas · 0.6 MI N of SH 123 · Structure no. 141060001603227
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 460 ft
- 3 main spans
- Daily traffic
- 144,823
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IH 35 Ml over San Marcos River is a prestressed concrete stringer/multi-beam or girder carrying IH 35 Ml over San Marcos River in Hays County, Texas. It was built in 2004, so it is 21 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 144,823 vehicles a day, roughly 17% of them trucks, projected to reach 237,510 by 2042. The structure is 460 ft (140.2 m) long and 116 ft wide.
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 | 8 Very Good | No problems noted. |
| 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 IH 35 Ml over San Marcos River built?
It was built in 2004, making it 21 years old in 2025.
What condition is IH 35 Ml over San Marcos 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 September 2024.
How much traffic does IH 35 Ml over San Marcos River carry?
About 144,823 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is IH 35 Ml over San Marcos River?
The structure is 460 ft (140.2 m) long with a longest span of 124 ft (37.8 m) and a deck 116 ft wide.
Who owns IH 35 Ml over San Marcos River?
It is owned by the State Highway Agency.