NE 340th ST over Small
PoorPosted for loadJohnson County, Iowa · 079050107 · Structure no. 000000000203895
- Built
- 1900
- 125 years old
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 20 ft
- 1 main span
- Daily traffic
- 11
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
NE 340th ST over Small is a steel stringer/multi-beam or girder carrying NE 340th ST over Small 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. Its operating status is: posted for load restriction.
It carries about 11 vehicles a day, projected to reach 11 by 2044. The structure is 20 ft (6.1 m) long and 16 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NE 340th ST over Small built?
It was built in 1900, making it 125 years old in 2025.
What condition is NE 340th ST over Small 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 July 2024.
How much traffic does NE 340th ST over Small carry?
About 11 vehicles per day (2021 count).
How long is NE 340th ST over Small?
The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 16 ft wide.
Who owns NE 340th ST over Small?
It is owned by the County Highway Agency.