FM 521 over Johnsons Timber Slough
Good Condition65 years old1,111 vehicles/day
Location
| State | Texas |
| County | Matagorda |
| Location | 0.25 Mi W Of FM 1095 |
| Carries | FM 521 |
| Crosses | Johnsons Timber Slough |
| Coordinates | 28.78432, -96.12905 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 23.0 ft (7 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 45.6 ft (13.9 m) |
| Deck Area | 97.3 sq m |
| Main Spans | 2 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 1,111 (2024) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 131580084603010 |