Mn 89 over S Fk Roseau River
Roseau County, Minnesota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mn 89 over S Fk Roseau River in Roseau County, Minnesota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2009, making it 16 years old at the 2025 inventory.
- It carries about 1,050 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 99 of the 142 inventoried bridges in Roseau County rated good (69.7%); 4 (2.8%) 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 June 2023, on a 24-month routine inspection cycle.
- 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 → (48.65792, -95.73486)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 78 ft |
| Location | at Wannaska |
| NBI structure number | 68003 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 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 Minnesota department of transportation.
Busiest bridges in Roseau County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mn 11 over Warroad River | 1970 | 6,870 | Fair |
| Mn 11 over Roseau R Watershed | 2005 | 5,800 | Good |
| Mn 11 over Roseau River | 1938 | 5,400 | Fair |
| Mn 11 over Hay Creek | 1969 | 3,071 | Fair |
| Mn 11 over Roseau R Diversion Chan | 2009 | 3,071 | Good |
| Csah 72 over Roseau River | 1971 | 2,912 | Good |
All bridges nearby: Roseau County, MN bridge conditions · every bridge in Roseau County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.