Champion St over US-41 M-28
Marquette County, Michigan · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Champion St over US-41 M-28 in Marquette County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1963, making it 62 years old at the 2025 inventory.
- It carries about 3,300 vehicles a day (traffic count year 2012).
- Its listed owner is the state highway agency.
- It is one of 59 of the 147 inventoried bridges in Marquette County rated fair (40.1%); 19 (12.9%) 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 July 2024, 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 → (46.53779, -87.39609)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 198 ft |
| Location | In Marquette |
| NBI structure number | 000000000006508 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| 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 Marquette County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Us-41|m-28 over Carp River | 1936 | 23,600 | Fair |
| US-41 over Carp Creek | 1979 | 14,675 | Good |
| US-41 over Ls&i RR | 1979 | 13,542 | Fair |
| M-28 over Chocolay River | 2005 | 9,335 | Good |
| US-41 NB over Carp River | 1955 | 8,662 | Fair |
| US-41 SB over Carp River | 1958 | 8,662 | Fair |
All bridges nearby: Marquette County, MI bridge conditions · every bridge in Marquette County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.