Lp 521 over Post Oak Branch
Fair Condition97 years old1,580 vehicles/day
Location
| State | Texas |
| County | Jackson |
| Location | 0.70 Mi NE Of SH 111 |
| Carries | Lp 521 |
| Crosses | Post Oak Branch |
| Coordinates | 28.98280, -96.63630 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 23.0 ft (7 m) |
| Max Span | 4.9 ft (1.5 m) |
| Deck Width | 49.2 ft (15 m) |
| Deck Area | 105 sq m |
| Main Spans | 4 |
| Year Built | 1929 (reconstructed 1956) |
Traffic
| Avg Daily Traffic | 1,580 (2020) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 131210008911012 |