I80 over Rd 20
Cheyenne County, Nebraska · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I80 over Rd 20 in Cheyenne County, Nebraska, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1974 and reconstructed in 2000, making it 51 years old at the 2025 inventory.
- It carries about 7,780 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 131 of the 159 inventoried bridges in Cheyenne County rated good (82.4%); 3 (1.9%) 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 → (41.1348, -103.0505)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 115 ft |
| Location | 1W West Sidney Interchg |
| NBI structure number | S080 05420R |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Cheyenne County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I80 over Lodgepole Creek Trib | 1974 | 7,830 | Good |
| I80 over Lodgepole Creek Trib | 1974 | 7,830 | Good |
| I80 over Link 17B & Rd 77 | 1974 | 7,800 | Fair |
| I80 over Link 17B & Rd 77 | 1974 | 7,800 | Poor |
| I80 over Rd 99 | 1974 | 7,780 | Fair |
| I80 over Rd 99 | 1974 | 7,780 | Good |
All bridges nearby: Cheyenne County, NE bridge conditions · every bridge in Cheyenne County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.