IH 10 WB over San Marcos River Relief
FairGuadalupe County, Texas · 1.10 MI E of SH 80 · Structure no. 150950053502121
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 1,050 ft
- 15 main spans
- Daily traffic
- 18,635
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IH 10 WB over San Marcos River Relief is a prestressed concrete stringer/multi-beam or girder carrying IH 10 WB over San Marcos River Relief in Guadalupe County, Texas. It was built in 1969, so it is 56 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 18,635 vehicles a day, roughly 38% of them trucks, projected to reach 16,330 by 2033. The structure is 1,050 ft (320 m) long and 42 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 IH 10 WB over San Marcos River Relief built?
It was built in 1969, making it 56 years old in 2025.
What condition is IH 10 WB over San Marcos River Relief 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 August 2024.
How much traffic does IH 10 WB over San Marcos River Relief carry?
About 18,635 vehicles per day (2023 count), of which roughly 38% are trucks.
How long is IH 10 WB over San Marcos River Relief?
The structure is 1,050 ft (320 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.
Who owns IH 10 WB over San Marcos River Relief?
It is owned by the State Highway Agency.