IRR/N94 over North Blackbird Creek
FairThurston County, Nebraska · 4E Walthill · Structure no. S094 01745
- Built
- 1964
- 61 years old, rebuilt 2014
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 171 ft
- 3 main spans
- Daily traffic
- 1,340
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
IRR/N94 over North Blackbird Creek is a steel continuous stringer/multi-beam or girder carrying IRR/N94 over North Blackbird Creek in Thurston County, Nebraska. It was built in 1964 and reconstructed in 2014, so it is 61 years old, older than the Nebraska average of 47.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,340 vehicles a day, roughly 6% of them trucks, projected to reach 1,943 by 2038. The structure is 171 ft (52.1 m) long and 32 ft wide. If it were closed, the detour would be 62.1 mi (100 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR/N94 over North Blackbird Creek built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2014.
What condition is IRR/N94 over North Blackbird Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does IRR/N94 over North Blackbird Creek carry?
About 1,340 vehicles per day (2018 count), of which roughly 6% are trucks.
How long is IRR/N94 over North Blackbird Creek?
The structure is 171 ft (52.1 m) long with a longest span of 70 ft (21.3 m) and a deck 32 ft wide.
Who owns IRR/N94 over North Blackbird Creek?
It is owned by the State Highway Agency.