Green Castle Av over Small Stream
PoorJohnson County, Iowa · 079071802 · Structure no. 000000000204170
- Built
- 1900
- 125 years old
- Condition
- Poor
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 20 ft
- 1 main span
- Daily traffic
- 46
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Green Castle Av over Small Stream is a wood or timber stringer/multi-beam or girder carrying Green Castle Av over Small Stream in Johnson County, Iowa. It was built in 1900, so it is 125 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 3 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.
It carries about 46 vehicles a day, projected to reach 46 by 2044. The structure is 20 ft (6.1 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 Green Castle Av over Small Stream built?
It was built in 1900, making it 125 years old in 2025.
What condition is Green Castle Av over Small Stream 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 May 2024.
How much traffic does Green Castle Av over Small Stream carry?
About 46 vehicles per day (2021 count).
How long is Green Castle Av over Small Stream?
The structure is 20 ft (6.1 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.
Who owns Green Castle Av over Small Stream?
It is owned by the County Highway Agency.