Longhorn Dam Multimodal Improvements
November 2025 Project Update
Construction continues on the Longhorn Dam Multimodal Improvements project. This project will provide a new wishbone-shaped bicycle and pedestrian bridge to connect the Ann & Roy Butler Hike and Bike Trail and a new underpass beneath South Pleasant Valley Road for pedestrians and bicyclists. Substantial completion for the project is expected by the end of the year.
Completed Tasks
- All sprinkler systems installed
- Trees, bushes and plants planted throughout the project
- All three below deck planters installed and waterproofed
- Bike racks installed on the Wishbone Bridge
- Permanent irrigation systems installed along the Wishbone Bridge and plaza area
- All electrical conduit work completed in the Unity Underpass
Ongoing Tasks
- Installation of "Maraca" Benches in the plaza area
- Drinking water fountain installation at the Canterbury entrance
- Clean-up of Roy Montelongo Scenic Overlook
- Installation of light poles at both entrances of the Unity Underpass
- Electrical work for the Wishbone Bridge and Unity Underpass
- Vine screens around the pergola columns in the plaza of the Wishbone Bridge
Construction Impacts
- The current traffic pattern along Canterbury Street will remain in place throughout the duration of the project.
Shade structures (blue) and below deck planters (orange) along the plaza of the Wishbone Bridge
Entrance to the Wishbone Bridge near Canterbury Street
Inside view of the Unity Underpass before artwork installation
View of the plaza of the Wishbone Bridge including vine screens around the pergola columns where plants will grow
Aerial view of the entrance to the Unity Underpass
Reminders
- The construction site is for authorized personnel only.
- City of Austin permitted construction hours are Monday - Friday, 7:30 a.m. - 5:30 p.m. and Saturday, 7 a.m. - 7 p.m.
- Construction workers and trucks typically arrive around 7 a.m. to begin working at 7:30 a.m.
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