County Highway over Shell Creek
Mountrail County, North Dakota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Highway over Shell Creek in Mountrail County, North Dakota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2014, making it 11 years old at the 2025 inventory.
- It carries about 325 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 15 of the 28 inventoried bridges in Mountrail County rated good (53.6%); 1 (3.6%) 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 → (48.15342, -102.09839)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 33 ft |
| Location | 13 North 1 East Parshall |
| NBI structure number | 000000031136270 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Dakota department of transportation.
Busiest bridges in Mountrail County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Irrfb Nd Hiway 23 over Crane Creek | 2012 | 7,340 | Good |
| Irrfb Nd Hiway 23 over Creek | 1995 | 5,510 | Good |
| Irrfb Nd Hiway 23 over Shell Creek | 2012 | 4,885 | Good |
| Irrfb Nd Hwy 23 over Creek | 2013 | 3,165 | Good |
| Irrfb Nd Hiway 23 over Creek | 1993 | 2,600 | Good |
| Nd Highway 8 over Little Knife River | 1985 | 2,110 | Good |
All bridges nearby: Mountrail County, ND bridge conditions · every bridge in Mountrail County · North Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.