N. Doyle RD over Big Branch
Good Condition28 years old850 vehicles/day
Location
| State | Louisiana |
| County | Livingston |
| Location | 3.0 Mi N/e Of La 63 Exit |
| Carries | N. Doyle RD |
| Crosses | Big Branch |
| Coordinates | 30.50759, -90.72197 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 76.1 ft (23.2 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 218.1 sq m |
| Main Spans | 4 |
| Year Built | 1998 |
Traffic
| Avg Daily Traffic | 850 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 623230304904331 |