| Designator | SBB20d |
| Material | Steel Tube/Box (B) |
| Test Specification | NCHRP Report 350 |
| Test Level | TL-4 |
| Perm/Temp | Permanent |
| Mounting Type | Curb/Sidewalk |
| Deck Type | Conventional Reinforced Concrete |
| Aesthetic | No |
| See-Through | Yes |
| Retrofit | No |
| Combo Traffic/Pedestrian | No |
| Contact | Michigan Department of Transportation |
| Drawing Status | Not Reviewed |
| Manufacturer | Non-Proprietary |
| FHWA Eligibility Letter | |
| Components | |
| Drawings | |
| Other Docs | mi_brtp1.pdf mi_brtp2.pdf |
| Archive | |
| External Links |