County Highway over Tongue River
Cavalier County, North Dakota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Highway over Tongue River in Cavalier County, North Dakota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1980, making it 45 years old at the 2025 inventory.
- It carries about 330 vehicles a day (traffic count year 2018).
- Its listed owner is the county highway agency.
- It is one of 15 of the 65 inventoried bridges in Cavalier County rated good (23.1%); 19 (29.2%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (48.7235, -98.1461)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 23 ft |
| Location | 4 North Osnabrock |
| NBI structure number | 000000010139200 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Dakota department of transportation.
Busiest bridges in Cavalier County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Nd Highway 5 over Creek | 1929 | 1,200 | Fair |
| Nd Highway over Creek | 1929 | 810 | Fair |
| Nd Highway 5 over Tongue River | 1974 | 670 | Fair |
| Nd Highway 5 over Tongue River | 1953 | 630 | Fair |
| Nd Highway 1 over Creek | 1931 | 490 | Poor |
| Nd Highway 66 over North Branch Park River | 1963 | 390 | Fair |
All bridges nearby: Cavalier County, ND bridge conditions · every bridge in Cavalier County · North Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.