US 90 over San Marcos River
FairCaldwell County, Texas · 3.4 MI W of US 183 · Structure no. 140280002903009
- Built
- 1933
- 92 years old, rebuilt 1989
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 614 ft
- 4 main spans
- Daily traffic
- 2,250
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 90 over San Marcos River is a prestressed concrete stringer/multi-beam or girder carrying US 90 over San Marcos River in Caldwell County, Texas. It was built in 1933 and reconstructed in 1989, so it is 92 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 5 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 2,250 vehicles a day, roughly 8% of them trucks, projected to reach 3,150 by 2042. The structure is 614 ft (187.1 m) long and 52 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 90 over San Marcos River built?
It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1989.
What condition is US 90 over San Marcos 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 October 2024.
How much traffic does US 90 over San Marcos River carry?
About 2,250 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is US 90 over San Marcos River?
The structure is 614 ft (187.1 m) long with a longest span of 61 ft (18.6 m) and a deck 52 ft wide.
Who owns US 90 over San Marcos River?
It is owned by the State Highway Agency.