SH 80 over San Marcos River
Good Condition87 years old6,326 vehicles/day
Location
| State | Texas |
| County | Caldwell |
| Location | 1.0 Mi S Of US 90 |
| Carries | SH 80 |
| Crosses | San Marcos River |
| Coordinates | 29.66607, -97.65096 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 579.1 ft (176.5 m) |
| Max Span | 77.1 ft (23.5 m) |
| Deck Width | 54.5 ft (16.6 m) |
| Deck Area | 2929.9 sq m |
| Main Spans | 3 |
| Year Built | 1939 (reconstructed 1973) |
Traffic
| Avg Daily Traffic | 6,326 (2023) |
| Truck Traffic | 29% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 140280028701014 |