N74 over Little Blue River
FairAdams County, Nebraska · 4E Ayr · Structure no. S074 03502
- Built
- 1965
- 60 years old, rebuilt 1991
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 283 ft
- 3 main spans
- Daily traffic
- 690
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N74 over Little Blue River is a steel continuous stringer/multi-beam or girder carrying N74 over Little Blue River in Adams County, Nebraska. It was built in 1965 and reconstructed in 1991, so it is 60 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 690 vehicles a day, roughly 10% of them trucks, projected to reach 1,035 by 2038. The structure is 283 ft (86.3 m) long and 38 ft wide. If it were closed, the detour would be 31.1 mi (50 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 N74 over Little Blue River built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1991.
What condition is N74 over Little Blue River 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 August 2023.
How much traffic does N74 over Little Blue River carry?
About 690 vehicles per day (2018 count), of which roughly 10% are trucks.
How long is N74 over Little Blue River?
The structure is 283 ft (86.3 m) long with a longest span of 110 ft (33.5 m) and a deck 38 ft wide.
Who owns N74 over Little Blue River?
It is owned by the State Highway Agency.