US81 over N Br Big Blue River
FairPolk County, Nebraska · JCT US81/N66 2.2N · Structure no. S081 07797
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected December 2024
- Type
- Slab
- Concrete Continuous
- Length
- 127 ft
- 3 main spans
- Daily traffic
- 3,950
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
US81 over N Br Big Blue River is a concrete continuous slab carrying US81 over N Br Big Blue River in Polk County, Nebraska. It was built in 1985, so it is 40 years old, younger 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 3,950 vehicles a day, roughly 12% of them trucks, projected to reach 5,135 by 2038. The structure is 127 ft (38.7 m) long and 43 ft wide. If it were closed, the detour would be 37.3 mi (60 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 US81 over N Br Big Blue River built?
It was built in 1985, making it 40 years old in 2025.
What condition is US81 over N Br Big 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 December 2024.
How much traffic does US81 over N Br Big Blue River carry?
About 3,950 vehicles per day (2018 count), of which roughly 12% are trucks.
How long is US81 over N Br Big Blue River?
The structure is 127 ft (38.7 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.
Who owns US81 over N Br Big Blue River?
It is owned by the State Highway Agency.