Csah 7 over I 35
Chisago County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Csah 7 over I 35 in Chisago County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1970, making it 55 years old at the 2025 inventory.
- It carries about 1,793 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 28 of the 61 inventoried bridges in Chisago County rated fair (45.9%); 1 (1.6%) 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 May 2024, 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 → (45.67096, -92.99231)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 327 ft |
| Location | 11.1 Mi N of Jct Th 95 |
| NBI structure number | 13811 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Chisago County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 35 over Rush Creek | 1967 | 27,920 | Fair |
| Mn 95 over I 35 | 2010 | 20,467 | Good |
| US 8 over Channel | 2012 | 19,638 | Good |
| US 61 over I 35 | 1967 | 14,200 | Fair |
| US 61 over S Br Sunrise River | 1967 | 14,200 | Good |
| US 8 over Center Lake Channel | 2005 | 13,800 | Fair |
All bridges nearby: Chisago County, MN bridge conditions · every bridge in Chisago County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.