Listed on the National Register on June 13, 1962 as a contributor to the Presidio NHL. It was then listed on the National Register in 1966. It is also a contributor to the National Register eligible Golden Gate Bridge.
The N1-N101 Connector Pedestrian Undercrossing (34 0023G) is a reinforced-concrete slab on reinforced-concrete straight wing abutments founded on spread footings. It was built as part of Park Presidio Boulevard in the 1930s for of the Golden Gate Bridge project; it carries US 1 through the Presidio to connect with Doyle Drive at the Presidio Viaduct (34 0019).