IRR/US75 over South Blackbird Creek
GoodThurston County, Nebraska · 8N Decatur · Structure no. S075 15730
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 185 ft
- 3 main spans
- Daily traffic
- 1,380
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
IRR/US75 over South Blackbird Creek is a steel continuous stringer/multi-beam or girder carrying IRR/US75 over South Blackbird Creek in Thurston County, Nebraska. It was built in 2010, so it is 15 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 1,380 vehicles a day, roughly 13% of them trucks, projected to reach 1,863 by 2038. The structure is 185 ft (56.4 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 | 9 Excellent | No problems noted. |
| 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 IRR/US75 over South Blackbird Creek built?
It was built in 2010, making it 15 years old in 2025.
What condition is IRR/US75 over South Blackbird Creek 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 2024.
How much traffic does IRR/US75 over South Blackbird Creek carry?
About 1,380 vehicles per day (2018 count), of which roughly 13% are trucks.
How long is IRR/US75 over South Blackbird Creek?
The structure is 185 ft (56.4 m) long with a longest span of 73 ft (22.3 m) and a deck 43 ft wide.
Who owns IRR/US75 over South Blackbird Creek?
It is owned by the State Highway Agency.