Bridge conditions in Kidder County, North Dakota
10 inventoried bridges · 0 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Kidder County is one of the counties with a clean sheet: 10 bridges on the federal inventory and not one rated poor. 9 carry a fair rating, which means wear worth watching but no structural deficiency.
- 0 of the 10 bridges in Kidder County, North Dakota, are rated in poor condition (0.0%) in the 2025 National Bridge Inventory, as of .
- 1 bridges (10.0%) are rated good and 9 (90.0%) fair.
- The median Kidder County bridge was built in 1966.
Good 10.0% · Fair 90.0% · Poor 0.0% of 10 bridges
Bridges rated poor
No bridges in this county carry a poor rating in the current inventory.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate 94 over Bn Railroad Separation | 1958 | 3,150 | Fair |
| Interstate 94 over Bn Railroad Separation | 1958 | 3,150 | Fair |
| Nd Highway 3 over I-94/STEELE Interchange | 1966 | 700 | Fair |
| Nd Highway 3 South over I-94/DAWSON Interchange | 1966 | 650 | Fair |
| County Highway over I 94-tappen Interchange | 1958 | 250 | Fair |
| County Highway over I 94-crystal Springs Int | 1958 | 130 | Fair |
| County Highway over I94/LONG Lake Inter | 1966 | 110 | Fair |
| County Highway over I 94/PETTIBONE Interchg | 1958 | 100 | Fair |
| County Highway over I94/ROBINSON Interchange | 1966 | 80 | Fair |
| County Highway over I94/WEBER Lake Sep | 1966 | 25 | 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.