20th Avenue over Warm Slough
GoodMerrick County, Nebraska · Central City 20th @ 11th · Structure no. M0465J2905
- Built
- 1961
- 64 years old
- Condition
- Good
- inspected October 2024
- Type
- Culvert
- Concrete
- Length
- 37 ft
- 3 main spans
- Daily traffic
- 150
- 2003 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
20th Avenue over Warm Slough is a concrete culvert carrying 20th Avenue over Warm Slough in Merrick County, Nebraska. It was built in 1961, so it is 64 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 150 vehicles a day, roughly 10% of them trucks, projected to reach 210 by 2033. The structure is 37 ft (11.3 m) long. 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 20th Avenue over Warm Slough built?
It was built in 1961, making it 64 years old in 2025.
What condition is 20th Avenue over Warm Slough 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 October 2024.
How much traffic does 20th Avenue over Warm Slough carry?
About 150 vehicles per day (2003 count), of which roughly 10% are trucks.
How long is 20th Avenue over Warm Slough?
The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).
Who owns 20th Avenue over Warm Slough?
It is owned by the City or Municipal Highway Agency.