County Highway over Sheyenne River
Griggs County, North Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Highway over Sheyenne River in Griggs County, North Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1978, making it 47 years old at the 2025 inventory.
- It carries about 70 vehicles a day (traffic count year 2017).
- Its listed owner is the county highway agency.
- It is one of 6 of the 22 inventoried bridges in Griggs County rated fair (27.3%); 2 (9.1%) 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 November 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 → (47.49956, -97.99361)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 91 ft |
| Location | 6 E 4 N of Cooperstown |
| NBI structure number | 000000020124120 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 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 Griggs County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Nd Highway 200 over Sheyenne River | 1959 | 900 | Good |
| Nd Highway 1 over Bn Railroad Separation | 2009 | 750 | Good |
| Nd Highway 1 over Baldhill Creek | 1981 | 750 | Good |
| Nd Highway 200 over Baldhill Creek | 1993 | 620 | Good |
| County HIGHWAY2026 over Baldhill Creek | 1976 | 265 | Good |
| Nd Highway 45 over Sheyenne River | 1965 | 250 | Fair |
All bridges nearby: Griggs County, ND bridge conditions · every bridge in Griggs County · North Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.