State Highway 29 Bridge at the Colorado River, structure in Buchanan Dam (vicinity), Burnet County, Texas

The State Highway 29 Bridge at the Colorado River is a 1,379.0 ft steel truss bridge linking Burnet and Llano counties between Buchanan Dam and Inks Lake. The Texas Highway Department planned it in 1929; the Austin Bridge Company finished it in 1937 for $188,000. A four-lane vehicular bridge replaced it in 2005, and the old span now carries only pedestrians.

The bridge was constructed between 1936 and 1937 to replace an original road that became flooded when Buchanan Dam was completed. It was built at a natural rocky ledge below the dam where engineers determined the best conditions existed for the bridge approach.

The bridge is also called Inks Lake Bridge, after the reservoir it crosses at. Its 1937 dedication drew Interior Secretary Harold Ickes and Texas highway commissioner Robert Lee Bobbitt as speakers. Since a four-lane bridge opened in 2005, the old span has been left to pedestrians.

The crossing is no longer open to vehicle traffic but visitors can explore the structure on foot and enjoy views of the river and surrounding landscape. The location is near Inks Lake, making it a convenient stop during a visit to the area.

The bridge uses a T24-200 truss design from the 1930s that was adopted by only a few other bridges in Texas and is considered the better example of this type. The Austin Bridge Company from Dallas completed the work 45 days ahead of schedule and under the original budget.