Spur 408 NB over Grady Niblo RD
Fair Condition51 years old50,243 vehicles/day
Location
| State | Texas |
| County | Dallas |
| Location | 1.4 Mi N Of IH 20 |
| Carries | Spur 408 NB |
| Crosses | Grady Niblo RD |
| Coordinates | 32.69106, -96.93834 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 255.9 ft (78 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 62.0 ft (18.9 m) |
| Deck Area | 1474.2 sq m |
| Main Spans | 4 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 50,243 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 180570300001005 |