Nd Highway 40 over White Earth River
Burke County, North Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nd Highway 40 over White Earth River in Burke 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 1961, making it 64 years old at the 2025 inventory.
- It carries about 390 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 19 of the 29 inventoried bridges in Burke County rated fair (65.5%); 3 (10.3%) 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 → (48.57559, -102.79627)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 100 ft |
| Location | 1 West Jct Nd 50 |
| NBI structure number | 0040022345 |
| 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 Burke County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. Highway 52 over Upper Des Lacs Lake | 1983 | 1,260 | Fair |
| US Highway 52 over Cp Railroad | 2005 | 1,180 | Fair |
| U.S. Highway 52 over Creek | 1967 | 1,150 | Fair |
| Nd Highway 50 over Creek | 1937 | 530 | Fair |
| Nd Highway 5 over E. Branch of Short Creek | 1976 | 460 | Fair |
| Nd Highway 5 over Creek | 1967 | 420 | Fair |
All bridges nearby: Burke County, ND bridge conditions · every bridge in Burke County · North Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.