Alger Road over Drain #1
Gratiot County, Michigan · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Alger Road over Drain #1 in Gratiot 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 1986, making it 39 years old at the 2025 inventory.
- It carries about 1,145 vehicles a day (traffic count year 2003).
- Its listed owner is the county highway agency.
- It is one of 64 of the 167 inventoried bridges in Gratiot County rated good (38.3%); 22 (13.2%) 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 → (43.25194, -84.66009)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 41 ft |
| Location | Sec 15-16 Newark Twp |
| NBI structure number | 000000000003160 |
| Condition class | Good |
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.