N Saginaw Road over Big Salt River
Midland County, Michigan · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N Saginaw Road over Big Salt River in Midland County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2001, making it 24 years old at the 2025 inventory.
- It carries about 6,297 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 77 of the 140 inventoried bridges in Midland County rated fair (55.0%); 24 (17.1%) 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 September 2023, 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 → (43.67812, -84.39446)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 162 ft |
| Location | .2 Mi NW of West River Rd |
| NBI structure number | 000000000006937 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Midland County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| M-20 EB over Tittabawassee River | 2019 | 21,358 | Good |
| M-20 WB over Tittabawassee River | 2018 | 21,350 | Good |
| N Saginaw Road over Sturgeon Creek | 1931 | 20,000 | Fair |
| Jefferson Rd over US-10 | 1960 | 18,005 | Fair |
| N Saginaw Road over State Drain | 1931 | 17,000 | Fair |
| M-20 over Prairie Creek | 1938 | 16,168 | Fair |
All bridges nearby: Midland County, MI bridge conditions · every bridge in Midland County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.