FM 3478 over Trinity River
Fair Condition30 years old713 vehicles/day
Location
| State | Texas |
| County | Walker |
| Location | 5.5 Mi N Of FM 980 |
| Carries | FM 3478 |
| Crosses | Trinity River |
| Coordinates | 30.92578, -95.52886 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 600.1 ft (182.9 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 1792.4 sq m |
| Main Spans | 6 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 713 (2020) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 172360355001002 |