FM 521 Connector over Drainage Ditch
Good Condition77 years old21,930 vehicles/day
Location
| State | Texas |
| County | Harris |
| Location | 1.00 Mi S Of Bw 8 |
| Carries | FM 521 Connector |
| Crosses | Drainage Ditch |
| Coordinates | 29.58624, -95.43006 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 6 — Scour calculated, stable |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 6.9 ft (2.1 m) |
| Deck Width | 45.3 ft (13.8 m) |
| Deck Area | 129.7 sq m |
| Main Spans | 4 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 21,930 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 121020011101023 |