Yes, the Historic Houten Bridge and its immediate approaches are generally flat and accessible for wheelchairs.
The Historic Houten Bridge itself is a flat structure, and the paths leading to it are typically paved and even, making it accessible for wheelchair users. There are no steps or significant inclines directly at the bridge.
Visitors using wheelchairs should be aware that the surrounding paths or natural areas might have varying surfaces. However, for approaching and crossing the bridge, accessibility is generally good. Always check local conditions if planning a more extensive route.