US 79 over Onion Creek
Fair Condition37 years old45,039 vehicles/day
Location
| State | Texas |
| County | Williamson |
| Location | 0.8 Mi E Of IH 35 |
| Carries | US 79 |
| Crosses | Onion Creek |
| Coordinates | 30.51877, -97.67395 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 120.1 ft (36.6 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 98.1 ft (29.9 m) |
| Deck Area | 1094.3 sq m |
| Main Spans | 2 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 45,039 (2021) |
| Truck Traffic | 6% |
| Lanes On Bridge | 5 |
Inspection & Ownership
| Last Inspection | 123 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 142460020401071 |