Shamrock Ave over Deep Creek
PoorPosted for loadPlymouth County, Iowa · 093431502 · Structure no. 000000000276050
- Built
- 1953
- 72 years old, rebuilt 1976
- Condition
- Poor
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 94 ft
- 5 main spans
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Shamrock Ave over Deep Creek is a wood or timber stringer/multi-beam or girder carrying Shamrock Ave over Deep Creek in Plymouth County, Iowa. It was built in 1953 and reconstructed in 1976, 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 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 50 vehicles a day, projected to reach 50 by 2043. The structure is 94 ft (28.7 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Shamrock Ave over Deep Creek built?
It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1976.
What condition is Shamrock Ave over Deep 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 April 2023.
How much traffic does Shamrock Ave over Deep Creek carry?
About 50 vehicles per day (2022 count).
How long is Shamrock Ave over Deep Creek?
The structure is 94 ft (28.7 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.
Who owns Shamrock Ave over Deep Creek?
It is owned by the County Highway Agency.