M-6 EB over US-131
Kent County, Michigan · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- M-6 EB over US-131 in Kent County, Michigan, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2000, making it 25 years old at the 2025 inventory.
- It carries about 26,271 vehicles a day (traffic count year 2007).
- Its listed owner is the state highway agency.
- It is one of 178 of the 524 inventoried bridges in Kent County rated good (34.0%); 29 (5.5%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (42.84864, -85.67807)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 383 ft |
| Location | Byron Twp Sec 1 |
| NBI structure number | 000000000012923 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Kent County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-131 over CSX RR | 1962 | 103,312 | Fair |
| I-196 & Ramp G over Gtw RR (abn) | 1964 | 69,092 | Good |
| US-131 SB over Grand River & Fulton St | 1999 | 67,975 | Fair |
| US-131 over Buck Creek | 2000 | 61,220 | Good |
| US-131 over Conrail | 2000 | 61,220 | Fair |
| US-131 NB over Rogue River | 1969 | 58,420 | Fair |
All bridges nearby: Kent County, MI bridge conditions · every bridge in Kent County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.