Nd Highway 41 over Mouse River
McHenry County, North Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nd Highway 41 over Mouse River in McHenry County, North Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1969 and reconstructed in 1996, making it 56 years old at the 2025 inventory.
- It carries about 1,040 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 55 of the 112 inventoried bridges in McHenry County rated fair (49.1%); 34 (30.4%) 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 October 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 → (48.06404, -100.9288)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous prestressed concrete single box beam |
| Length | about 154 ft |
| Location | In Velva |
| NBI structure number | 0041074063 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| 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 North Dakota department of transportation.
Busiest bridges in McHenry County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US Highway 2 over Creek | 1936 | 2,700 | Fair |
| US Highway 2 over Creek | 1936 | 2,700 | Good |
| US Highway 52 over Oak Creek | 1947 | 2,370 | Fair |
| US Highway 52 over Bonnes Coulee | 1947 | 2,360 | Good |
| US Highway 52 over Creek | 2001 | 1,400 | Good |
| US Highway 2 over Mouse River | 1979 | 1,275 | Good |
All bridges nearby: McHenry County, ND bridge conditions · every bridge in McHenry County · North Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.