The Pine Bluff Arsenal Access Road Bridge No. 2280 is a historic bridge near White Hall, Arkansas. It carries East Hoadley Road (Arkansas Highway 256) over Caney Creek, between the town and the Pine Bluff Arsenal. It is a concrete arch structure, with a total length of . It consists of a concrete deck supported by abutments and four cast concrete piers, carrying a roadway in width. It was built in 1942 with funds authorized by the National Defense Highway Act of 1941, in order to facilitate access between the arsenal (founded in 1941) and existing transportation networks.
The bridge was listed on the National Register of Historic Places in 2019.