Sagatoo Road over S Branch Pine River
Arenac County, Michigan · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sagatoo Road over S Branch Pine River in Arenac County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1972, making it 53 years old at the 2025 inventory.
- It carries about 1,960 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 43 of the 80 inventoried bridges in Arenac County rated fair (53.8%); 12 (15.0%) are rated poor.
- 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 → (43.95364, -83.94406)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Timber slab |
| Length | about 77 ft |
| Location | 0.1 Mi East of City Limit |
| NBI structure number | 000000000000469 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Arenac County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 Nb|us-23 NB over Sunsmith Drain | 1968 | 27,470 | Fair |
| US-23|MAIN St over Middle Br Pine River | 1994 | 14,971 | Fair |
| Sterling Road over I-75 NB | 1968 | 14,350 | Poor |
| I-75 Sb|us-23 SB over S Br Pine River | 1968 | 13,735 | Fair |
| I-75 Nb|us-23 NB over S Br Pine River | 1968 | 13,735 | Fair |
| US-23|W Huron Rd over N Br Pine River | 2001 | 9,170 | Good |
All bridges nearby: Arenac County, MI bridge conditions · every bridge in Arenac County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.