County Road 446 over Buffalo Creek
Dawson County, Nebraska · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road 446 over Buffalo Creek in Dawson County, Nebraska, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2024, making it 1 years old at the 2025 inventory.
- It carries about 30 vehicles a day (traffic count year 2003).
- Its listed owner is the county highway agency.
- It is one of 203 of the 300 inventoried bridges in Dawson County rated good (67.7%); 11 (3.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated fair in the 2024 inventory and is now good.
- Status change: its 2024 load posting has been removed.
- Its most recent inspection on record is dated October 2023, on a 24-month routine inspection cycle.
- 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 → (40.7324, -99.5028)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | – | 9 | Excellent condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 49 ft |
| Location | 1.5SE Overton |
| NBI structure number | C002407705 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Dawson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I80 over Spring Creek | 1963 | 18,660 | Fair |
| I80 over Spring Creek | 1963 | 18,660 | Fair |
| I80 over Stream | 1963 | 18,660 | Good |
| I80 over Mud Creek | 1963 | 18,660 | Good |
| I80 over Mud Creek | 1963 | 18,660 | Fair |
| I80 over Stream | 1935 | 18,485 | Good |
All bridges nearby: Dawson County, NE bridge conditions · every bridge in Dawson County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.