J-20/140th ST over Unnamed Stream
PoorPage County, Iowa · 070372501 · Structure no. 000000000268010
- Built
- 1964
- 61 years old
- Condition
- Poor
- inspected November 2022
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 130 ft
- 3 main spans
- Daily traffic
- 450
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
J-20/140th ST over Unnamed Stream is a steel stringer/multi-beam or girder carrying J-20/140th ST over Unnamed Stream in Page County, Iowa. It was built in 1964, so it is 61 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.
It carries about 450 vehicles a day, roughly 16% of them trucks, projected to reach 450 by 2042. The structure is 130 ft (39.6 m) long and 30 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 J-20/140th ST over Unnamed Stream built?
It was built in 1964, making it 61 years old in 2025.
What condition is J-20/140th ST over Unnamed 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 November 2022.
How much traffic does J-20/140th ST over Unnamed Stream carry?
About 450 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is J-20/140th ST over Unnamed Stream?
The structure is 130 ft (39.6 m) long with a longest span of 43 ft (13.1 m) and a deck 30 ft wide.
Who owns J-20/140th ST over Unnamed Stream?
It is owned by the County Highway Agency.