320th Street over Middle Tarkio Creek
PoorClosed to trafficPage County, Iowa · 067392705 · Structure no. 000000000265180
- Built
- 1953
- 72 years old, rebuilt 1989
- Condition
- Poor
- inspected October 2022
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 78 ft
- 3 main spans
- Daily traffic
- 15
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
320th Street over Middle Tarkio Creek is a wood or timber stringer/multi-beam or girder carrying 320th Street over Middle Tarkio Creek in Page County, Iowa. It was built in 1953 and reconstructed in 1989, so it is 72 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 0 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: closed to all traffic.
It carries about 15 vehicles a day, projected to reach 15 by 2043. The structure is 78 ft (23.8 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 0 Failed | Out of service and beyond corrective action. |
| Superstructure | 0 Failed | Out of service and beyond corrective action. |
| Substructure | 0 Failed | Out of service and beyond corrective action. |
| 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 320th Street over Middle Tarkio Creek built?
It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1989.
What condition is 320th Street over Middle Tarkio 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 October 2022.
How much traffic does 320th Street over Middle Tarkio Creek carry?
About 15 vehicles per day (2022 count).
How long is 320th Street over Middle Tarkio Creek?
The structure is 78 ft (23.8 m) long with a longest span of 31 ft (9.4 m) and a deck 18 ft wide.
Who owns 320th Street over Middle Tarkio Creek?
It is owned by the County Highway Agency.