Minnesota Administrative Rules
Agency 175 - Transportation Department
Chapter 8820 - LOCAL STATE-AID ROUTE STANDARDS, FINANCING
EXHIBITS, FIGURES, AND TABLES
Part 8820.9986 - MINIMUM DESIGN STANDARDS: NATURAL RESERVATION ROUTES, DESIGNATED NATIONAL FOREST HIGHWAYS WITHIN NATIONAL FORESTS, AND STATE PARK ACCESS ROADS WITHIN STATE PARKS; RECONDITIONING PROJECTS
Current through Register Vol. 49, No. 27, December 30, 2024
Reconditioning projects for natural preservation routes, designated national forest highways within national forests, and state park access roads within state parks must meet or exceed the minimum dimensions indicated in the following design chart.
TYPE I, II, OR III ROUTE
| Proposed Design Strength | Pavement Width | Shoulder-to-Shoulder Width |
| (tons) | (feet) | (feet) |
| 7 | 22 (a) | 26 (a) |
(a) Natural preservation routes may be reconditioned to existing pavement and shoulder widths.
Widths of bridges to remain in place must equal pavement width. A bridge narrower than these widths may remain in place if the bridge does not qualify for federal-aid bridge funds. H 15 loading is required.
Statutory Authority: MS s 162.02; 162.09
