Twin Creeks Drive over Onion Creek
Fair Condition43 years old4,981 vehicles/day
Location
| State | Texas |
| County | Travis |
| Location | 0.60 Mi W Of Old S A RD |
| Carries | Twin Creeks Drive |
| Crosses | Onion Creek |
| Coordinates | 30.12648, -97.82134 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 365.2 ft (111.3 m) |
| Max Span | 29.2 ft (8.9 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 1046.2 sq m |
| Main Spans | 12 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 4,981 (2020) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 142270AA0107001 |