NW 86th ST over Little Beaver Creek
PoorPosted for loadPolk County, Iowa · 080253504 · Structure no. 000000000282290
- Built
- 1926
- 99 years old
- Condition
- Poor
- inspected March 2023
- Type
- Truss - Thru
- Steel
- Length
- 54 ft
- 1 main span
- Daily traffic
- 199
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
NW 86th ST over Little Beaver Creek is a steel truss - thru carrying NW 86th ST over Little Beaver Creek in Polk County, Iowa. It was built in 1926, so it is 99 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 199 vehicles a day, projected to reach 199 by 2043. The structure is 54 ft (16.5 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NW 86th ST over Little Beaver Creek built?
It was built in 1926, making it 99 years old in 2025.
What condition is NW 86th ST over Little Beaver Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.
How much traffic does NW 86th ST over Little Beaver Creek carry?
About 199 vehicles per day (2022 count).
How long is NW 86th ST over Little Beaver Creek?
The structure is 54 ft (16.5 m) long with a longest span of 50 ft (15.2 m) and a deck 20 ft wide.
Who owns NW 86th ST over Little Beaver Creek?
It is owned by the County Highway Agency.