M-11 over CSX RR & Chicago Dr
Kent County, Michigan · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- M-11 over CSX RR & Chicago Dr in Kent County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1936, making it 89 years old at the 2025 inventory.
- It carries about 22,500 vehicles a day (traffic count year 2013).
- Its listed owner is the state highway agency.
- It is one of 317 of the 524 inventoried bridges in Kent County rated fair (60.5%); 29 (5.5%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated March 2023, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (42.91358, -85.75062)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 277 ft |
| Location | In Grandville |
| NBI structure number | 000000000004863 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
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.