Csah 61 over I 35
Pine County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Csah 61 over I 35 in Pine County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1959 and reconstructed in 1990, making it 66 years old at the 2025 inventory.
- It carries about 2,750 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 55 of the 172 inventoried bridges in Pine County rated fair (32.0%); 7 (4.1%) 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 → (46.12519, -92.88784)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 5 | Fair condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 181 ft |
| Location | at Jct TH23 S Ofsandston |
| NBI structure number | 9786 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Pine County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 35 over St Croix Valley RR | 2016 | 11,998 | Good |
| I 35 over St Croix Valley RR | 2016 | 11,998 | Good |
| I 35 over Snake River | 2018 | 10,450 | Good |
| I 35 over Snake River | 2018 | 10,450 | Good |
| I 35 over Mission Creek | 1964 | 8,848 | Fair |
| I 35 over Mission Creek | 1964 | 8,848 | Good |
All bridges nearby: Pine County, MN bridge conditions · every bridge in Pine County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.