I80 over RD 20
GoodCheyenne County, Nebraska · 1W West Sidney Interchg · Structure no. S080 05420R
- Built
- 1974
- 51 years old, rebuilt 2000
- Condition
- Good
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 115 ft
- 3 main spans
- Daily traffic
- 7,780
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
I80 over RD 20 is a concrete continuous slab carrying I80 over RD 20 in Cheyenne County, Nebraska. It was built in 1974 and reconstructed in 2000, so it is 51 years old, older than the Nebraska average of 47.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 7,780 vehicles a day, roughly 62% of them trucks, projected to reach 7,780 by 2038. The structure is 115 ft (35.1 m) long and 47 ft wide. If it were closed, the detour would be 12.4 mi (20 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I80 over RD 20 built?
It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2000.
What condition is I80 over RD 20 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.
How much traffic does I80 over RD 20 carry?
About 7,780 vehicles per day (2018 count), of which roughly 62% are trucks.
How long is I80 over RD 20?
The structure is 115 ft (35.1 m) long with a longest span of 52 ft (15.8 m) and a deck 47 ft wide.
Who owns I80 over RD 20?
It is owned by the State Highway Agency.