No Data Entered over Carp River
Mackinac County, Michigan · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- No Data Entered over Carp River in Mackinac County, Michigan, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2024, making it 1 years old at the 2025 inventory.
- It carries about 50 vehicles a day.
- It is one of 17 of the 63 inventoried bridges in Mackinac County rated good (27.0%); 10 (15.9%) 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 → (46.0752, -84.9623)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 9 | Excellent condition |
| Superstructure | 9 | Excellent condition |
| Substructure | 9 | Excellent condition |
Bridge details
| Structure | Timber slab |
| Length | about 54 ft |
| Location | Section 32 T43N R5W |
| NBI structure number | 091005000034768 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Mackinac County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Us-2|i-75 Bl over I-75 NB | 1957 | 7,550 | Fair |
| US-2 over Cut River | 1947 | 4,450 | Fair |
| US-2 over Brevort River | 2019 | 4,400 | Good |
| I-75 SB over Carp River | 1964 | 4,400 | Fair |
| I-75 SB over Mackinac Trail | 1963 | 4,400 | Fair |
| I-75 Bl over I-75 NB | 1960 | 4,350 | Fair |
All bridges nearby: Mackinac County, MI bridge conditions · every bridge in Mackinac County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.