US 90A over San Marcos Ri
FairGonzales County, Texas · 1.85 MI W of US 183 · Structure no. 130900002506050
- Built
- 1937
- 88 years old, rebuilt 1972
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 1,119 ft
- 2 main spans
- Daily traffic
- 3,115
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 90A over San Marcos Ri is a prestressed concrete stringer/multi-beam or girder carrying US 90A over San Marcos Ri in Gonzales County, Texas. It was built in 1937 and reconstructed in 1972, so it is 88 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 3,115 vehicles a day, roughly 20% of them trucks, projected to reach 4,641 by 2042. The structure is 1,119 ft (341.1 m) long and 50 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 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 US 90A over San Marcos Ri built?
It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1972.
What condition is US 90A over San Marcos Ri 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 December 2024.
How much traffic does US 90A over San Marcos Ri carry?
About 3,115 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is US 90A over San Marcos Ri?
The structure is 1,119 ft (341.1 m) long with a longest span of 117 ft (35.7 m) and a deck 50 ft wide.
Who owns US 90A over San Marcos Ri?
It is owned by the State Highway Agency.