County Road 0506 over Souris River
Bottineau County, North Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road 0506 over Souris River in Bottineau County, North Dakota, 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 1980, making it 45 years old at the 2025 inventory.
- It carries about 390 vehicles a day (traffic count year 2018).
- Its listed owner is the county highway agency.
- It is one of 62 of the 123 inventoried bridges in Bottineau County rated fair (50.4%); 26 (21.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: substructure 7 to 6.
- Its most recent inspection on record is dated September 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 → (48.90844, -100.96028)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous prestressed concrete single box beam |
| Length | about 240 ft |
| Location | 2 East of Westhope |
| NBI structure number | 000000005125070 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 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 Bottineau County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US Highway 5 over Oak Creek | 2006 | 5,900 | Fair |
| US Highway 5 over Branch of Stone Creek | 2006 | 2,750 | Good |
| US Highway 83 over Creek | 1966 | 1,980 | Good |
| US Highway 83 over Spring Creek | 1966 | 1,920 | Fair |
| US Highway 5 over Creek | 1947 | 1,480 | Fair |
| City Street over Oak Creek | 1977 | 1,450 | Fair |
All bridges nearby: Bottineau County, ND bridge conditions · every bridge in Bottineau County · North Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.