N58 over Big Slough
GoodHoward County, Nebraska · 2SE Dannebrog · Structure no. S058 00737
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected November 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 52 ft
- 2 main spans
- Daily traffic
- 650
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N58 over Big Slough is a prestressed concrete tee beam carrying N58 over Big Slough in Howard County, Nebraska. It was built in 1987, so it is 38 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 650 vehicles a day, roughly 9% of them trucks, projected to reach 845 by 2038. The structure is 52 ft (15.8 m) long and 32 ft wide. If it were closed, the detour would be 31.1 mi (50 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N58 over Big Slough built?
It was built in 1987, making it 38 years old in 2025.
What condition is N58 over Big 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 November 2024.
How much traffic does N58 over Big Slough carry?
About 650 vehicles per day (2018 count), of which roughly 9% are trucks.
How long is N58 over Big Slough?
The structure is 52 ft (15.8 m) long with a longest span of 25 ft (7.6 m) and a deck 32 ft wide.
Who owns N58 over Big Slough?
It is owned by the State Highway Agency.