18th St. NE over Cedar Creek
Adams County, North Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 18th St. NE over Cedar Creek in Adams County, North Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1998, making it 27 years old at the 2025 inventory.
- It carries about 10 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 23 of the 44 inventoried bridges in Adams County rated fair (52.3%); 5 (11.4%) are rated poor.
- 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 → (46.06998, -102.27913)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 22 ft |
| Location | 16 East 5 North Hettinger |
| NBI structure number | 000000001135160 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Dakota department of transportation.
Busiest bridges in Adams County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Nd Highway 8 over Flat Creek | 1959 | 1,730 | Fair |
| US Highway 12 over Flat Creek | 1941 | 1,370 | Fair |
| US Highway 12 over Creek | 2007 | 1,180 | Good |
| US Highway 12 over Flat Creek | 2007 | 1,180 | Good |
| US Highway 12 over Flat Creek | 2007 | 1,180 | Good |
| US Highway 12 over BNSF Railroad | 2000 | 675 | Fair |
All bridges nearby: Adams County, ND bridge conditions · every bridge in Adams County · North Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.