At Tamworth, Muddy Creek forms the boundary between Cumberland and Powhatan counties. A four-span concrete beam bridge with concrete side rails carries two lanes of traffic (SR 684) over Muddy Creek; the structure was erected in 1939. The bridge underwent extensive repairs in 2011, including substructure repair, and superstructure replacement.
In Tamworth, Muddy Creek divides Cumberland from Powhatan counties. A four-span concrete beam bridge with side rails facilitates two lanes of traffic (SR 684) over the creek; this structure was constructed in 1939. The bridge received substantial repairs in 2011, including substructure and superstructure modifications.