CR 21 over Drainage Ditch
Good Condition39 years old100 vehicles/day
Location
| State | Texas |
| County | Brazoria |
| Location | 0.30 Mi E Of SH 36 |
| Carries | CR 21 |
| Crosses | Drainage Ditch |
| Coordinates | 29.23704, -95.69796 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 23.0 ft (7 m) |
| Max Span | 5.9 ft (1.8 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 70.7 sq m |
| Main Spans | 3 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 100 (2011) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 120200AA0152001 |