I-75 NB over CSX RR
Saginaw County, Michigan · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-75 NB over CSX RR in Saginaw 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 2021, making it 4 years old at the 2025 inventory.
- It carries about 32,900 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 92 of the 315 inventoried bridges in Saginaw County rated good (29.2%); 58 (18.4%) 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 → (43.40941, -83.89087)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 9 | Excellent condition |
| Substructure | 9 | Excellent condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 121 ft |
| Location | 0.3 Mi S of M-46 |
| NBI structure number | 000000000014325 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Saginaw County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 NB over Cass River | 1961 | 56,192 | Good |
| I-75 US-10 over CSX RR | 1961 | 47,480 | Fair |
| I-75 US-10 over CSX RR | 1958 | 46,000 | Fair |
| I-75 SB over CSX RR | 1958 | 38,000 | Fair |
| I-75 SB over CSX RR | 2021 | 32,900 | Fair |
| I-75 NB over CSX RR | 1958 | 29,274 | Fair |
All bridges nearby: Saginaw County, MI bridge conditions · every bridge in Saginaw County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.