N66 over I80
GoodCass County, Nebraska · Mahoney Park Interchg · Structure no. S080 42626
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 291 ft
- 2 main spans
- Daily traffic
- 3,250
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N66 over I80 is a steel continuous stringer/multi-beam or girder carrying N66 over I80 in Cass County, Nebraska. It was built in 1990, so it is 35 years old, younger 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 3,250 vehicles a day, roughly 8% of them trucks, projected to reach 4,875 by 2038. The structure is 291 ft (88.7 m) long and 43 ft wide.
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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N66 over I80 built?
It was built in 1990, making it 35 years old in 2025.
What condition is N66 over I80 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 June 2024.
How much traffic does N66 over I80 carry?
About 3,250 vehicles per day (2018 count), of which roughly 8% are trucks.
How long is N66 over I80?
The structure is 291 ft (88.7 m) long with a longest span of 153 ft (46.6 m) and a deck 43 ft wide.
Who owns N66 over I80?
It is owned by the State Highway Agency.