Carrier profile · USDOT 242985 · MC-172276 · Updated Jun 13, 2026
East River Lumber & Grain Inc
28 power unitsMOBRIDGE, SD50/100
CARRIER INACTIVEMC-172276 INACTIVE
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 28736 E US HWY 12, MOBRIDGE, SD, 57601
- Mailing address
- PO BOX 128, MOBRIDGE, SD, 57601
- Operation
- Interstate
Contact
- Phone
- (605) 845-7257
- Cell
- (605) 848-1151
- Fax
- (605) 845-2821
- diamond@westriv.com
- Web domain
- westriv.com
Registration
- Officers
- Kent Mauck · Helen Mauck
- USDOT / docket
- 242985 · MC-172276
- First registered
- Feb 24, 1984
- Last MCS-150
- Sep 30, 2014 · 2,648,599 mi (2013)
- FMCSA safety rating
- Not rated
- D-U-N-S
- 116222944
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.