SH 80 over San Marcos River Relief
FairGuadalupe County, Texas · 0.30 MI S of Caldwell C/L · Structure no. 150950028702017
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 530 ft
- 20 main spans
- Daily traffic
- 4,143
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 80 over San Marcos River Relief is a concrete continuous slab carrying SH 80 over San Marcos River Relief in Guadalupe County, Texas. It was built in 1970, so it is 55 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 4,143 vehicles a day, roughly 4% of them trucks, projected to reach 7,210 by 2033. The structure is 530 ft (161.5 m) long and 50 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 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 SH 80 over San Marcos River Relief built?
It was built in 1970, making it 55 years old in 2025.
What condition is SH 80 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 SH 80 over San Marcos River Relief carry?
About 4,143 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is SH 80 over San Marcos River Relief?
The structure is 530 ft (161.5 m) long with a longest span of 30 ft (9.1 m) and a deck 50 ft wide.
Who owns SH 80 over San Marcos River Relief?
It is owned by the State Highway Agency.