Csah 42 over Mississippi River
Wright County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Csah 42 over Mississippi River in Wright County, Minnesota, 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 1984, making it 41 years old at the 2025 inventory.
- It carries about 7,300 vehicles a day (traffic count year 2016).
- Its listed owner is the county highway agency.
- It is one of 32 of the 74 inventoried bridges in Wright County rated fair (43.2%); 1 (1.4%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (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 → (45.30152, -93.5655)
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 stringer or multi-beam girder |
| Length | about 450 ft |
| Location | 1.3 Mi N of Jct Csah 39 |
| NBI structure number | 86515 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Wright County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 94 over Silver Creek | 2022 | 43,908 | Good |
| Mn 25 over I 94 | 1972 | 32,123 | Fair |
| I 94 over Broadway; BNSF RR | 2010 | 30,000 | Good |
| I 94 over Broadway St; BNSF RR | 2010 | 28,642 | Good |
| Mn 101 over Mississippi River | 1993 | 26,000 | Fair |
| Mn 101 over NB/Mississippi River | 2001 | 26,000 | Fair |
All bridges nearby: Wright County, MN bridge conditions · every bridge in Wright County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.