Bridge conditions in Griggs County, North Dakota

22 inventoried bridges · 2 rated poor · 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Griggs County tracks close to typical: 2 of its 22 inventoried bridges (9.1%) are rated poor, against a national rate of about 7%.

2 of the 22 bridges in Griggs County, North Dakota, are rated in poor condition (9.1%) in the 2025 National Bridge Inventory, as of August 20, 2026.
14 bridges (63.6%) are rated good and 6 (27.3%) fair.
The median Griggs County bridge was built in 1979.
The busiest poor-rated bridge is County Highway over Bn Railroad (built 1924), carrying about 24 vehicles a day.

Good 63.6% · Fair 27.3% · Poor 9.1% of 22 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
County Highway over Bn Railroad	1924	24	Poor
County Highway over Sheyenne River	1912	24	Poor

Busiest bridges in the 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
County Highway over Baldhill Creek	1979	70	Good
County Highway over Sheyenne River	1978	70	Fair
County Hiway 2026 over Sheyenne River	1983	70	Good
County Highway over Sheyenne River	1990	65	Good

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of North Dakota: North Dakota bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.