County Road 728 over Medicine Creek Spillway
Frontier County, Nebraska · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road 728 over Medicine Creek Spillway in Frontier County, Nebraska, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1949, making it 76 years old at the 2025 inventory.
- It carries about 170 vehicles a day (traffic count year 2014).
- It is one of 21 of the 95 inventoried bridges in Frontier County rated fair (22.1%); 17 (17.9%) 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 → (40.37949, -100.21425)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 234 ft |
| Location | 7.2 MI NW of Cambridge |
| NBI structure number | NKA-FCD-001 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Frontier County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US83 over Frazier Creek | 1957 | 1,745 | Fair |
| US83 over Brushy Creek | 1955 | 1,745 | Poor |
| N23 over Medicine Creek | 1950 | 1,535 | Good |
| N23 over Wells Canyon | 1948 | 1,535 | Good |
| N23 over Stream | 1959 | 1,060 | Good |
| N23 over Fox Creek | 2013 | 955 | Good |
All bridges nearby: Frontier County, NE bridge conditions · every bridge in Frontier County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.