FM 1977 over San Marcos River
Fair Condition12 years old474 vehicles/day
Location
| State | Texas |
| County | Caldwell |
| Location | 0.3 Mi NE Of FM 621 |
| Carries | FM 1977 |
| Crosses | San Marcos River |
| Coordinates | 29.78298, -97.83147 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Other |
| Total Length | 200.1 ft (61 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 40.4 ft (12.3 m) |
| Deck Area | 750.3 sq m |
| Main Spans | 4 |
| Year Built | 2014 |
Traffic
| Avg Daily Traffic | 474 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 140280143403007 |