US-127 NB over N Br Bad River
Gratiot County, Michigan · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US-127 NB over N Br Bad River in Gratiot County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1987, making it 38 years old at the 2025 inventory.
- It carries about 10,338 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 81 of the 167 inventoried bridges in Gratiot County rated fair (48.5%); 22 (13.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: substructure 6 to 5, deck 5 to 9, superstructure 6 to 8.
- Its most recent inspection on record is dated February 2025, on a 3-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 → (43.24457, -84.56309)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 9 | Excellent condition |
| Superstructure | 6 | 8 | Very good condition |
| Substructure | 6 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 37 ft |
| Location | 5.3 Mi SE of Ithaca |
| NBI structure number | 000000000003080 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2025 |
| Inspection interval (item 91) | 3 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Gratiot County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-127 NB over US-127 Br | 1961 | 15,400 | Fair |
| US-127 SB over US-127 Br | 1961 | 15,400 | Fair |
| M-46 & US-127BR over US-127 | 1961 | 11,219 | Poor |
| US-127 NB over Maple River | 1988 | 10,831 | Fair |
| US-127 SB over Maple River | 1955 | 10,831 | Good |
| US-127 Br over Pine River | 1928 | 10,432 | Fair |
All bridges nearby: Gratiot County, MI bridge conditions · every bridge in Gratiot County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.