Nd Highway 30 over Sheyenne River
Benson County, North Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nd Highway 30 over Sheyenne River in Benson County, North Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1981, making it 44 years old at the 2025 inventory.
- It carries about 350 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 13 of the 40 inventoried bridges in Benson County rated fair (32.5%); 7 (17.5%) are rated poor.
- 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 → (47.8907, -99.53305)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Continuous prestressed concrete single box beam |
| Length | about 155 ft |
| Location | 12 South of Nd 19 |
| NBI structure number | 0030123623 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Dakota department of transportation.
Busiest bridges in Benson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Irrft Nd Hiway 57 over Devils Lake Narrows | 1999 | 4,000 | Fair |
| US Highway 2 over Creek | 1984 | 1,900 | Good |
| US Highway 281 over Creek | 2005 | 1,300 | Good |
| US Highway 281 over Creek | 2005 | 1,300 | Good |
| US Highway 281 over Creek | 2006 | 1,300 | Good |
| Nd Highway 19 over Mauvais Coulee | 2001 | 1,260 | Fair |
All bridges nearby: Benson County, ND bridge conditions · every bridge in Benson County · North Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.