– Feb 2, 2007
| Number | County | Name | Water | Spans | Length | Built | Truss | GPS | Description |
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| 41-37-a | Jones | UPRR | stream | 1 | 15' | 1976 | Stringer | N43 53.08 W100 42.56 | In American RV Campground in Murdo. Bus.I90 (Kennedy Av.) N 0.25 miles from jct with I90 on the S. side of Murdo, W. on 5th St. (Bus.I90) 0.2 miles (1 long block) to the American Inn on the S. side of the road. Campground & bridge are S. of the Inn. |
| 41-51-a | Pennington | Don Patton | Rapid Creek | 1 | 38' | 1978 | Stringer | N44 04.53 W103 25.98 | W. of Rapid City, Mount Rushmore Township. I190 S. 1.4 miles from jct with I90 exit 57 on the N. side of Rapid City, W. on SD44 12.5 miles to the bridge on the W. (left) side of the road. Owner lives at 22946 Forest Rd. Built by Bob Wicks (previous owner). |