County Highway over Turtle Creek
McLean County, North Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Highway over Turtle Creek in McLean County, North Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1963, making it 62 years old at the 2025 inventory.
- It carries about 220 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 33 of the 58 inventoried bridges in McLean County rated fair (56.9%); 2 (3.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated April 2024, on a 12-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (47.28674, -100.96391)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete channel beam |
| Length | about 31 ft |
| Location | 3 East of Washburn |
| NBI structure number | 000000028162390 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Dakota department of transportation.
Busiest bridges in McLean County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US Highway 83 over Turtle Creek | 1979 | 3,890 | Fair |
| US Highway 83 over Cp Railway | 1981 | 2,233 | Good |
| US Highway 83 over Cp Railway | 1981 | 2,175 | Good |
| US Highway 83 over Dak Mo Valley/western RR | 2000 | 1,935 | Fair |
| US Highway 83 over Cp Railway | 1980 | 1,935 | Fair |
| US Highway 83 over Painted Woods Creek | 1980 | 1,930 | Fair |
All bridges nearby: McLean County, ND bridge conditions · every bridge in McLean County · North Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.