N15 over Big Blue River Trib
GoodButler County, Nebraska · 16N Seward · Structure no. S015 08239
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 73 ft
- 3 main spans
- Daily traffic
- 3,015
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N15 over Big Blue River Trib is a concrete continuous slab carrying N15 over Big Blue River Trib in Butler County, Nebraska. It was built in 1974, 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 3,015 vehicles a day, roughly 13% of them trucks, projected to reach 4,523 by 2038. The structure is 73 ft (22.3 m) long and 43 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N15 over Big Blue River Trib built?
It was built in 1974, making it 51 years old in 2025.
What condition is N15 over Big Blue River Trib 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 N15 over Big Blue River Trib carry?
About 3,015 vehicles per day (2018 count), of which roughly 13% are trucks.
How long is N15 over Big Blue River Trib?
The structure is 73 ft (22.3 m) long with a longest span of 28 ft (8.5 m) and a deck 43 ft wide.
Who owns N15 over Big Blue River Trib?
It is owned by the State Highway Agency.