Loc 335th ST over Allen Creek
PoorPosted for loadHarrison County, Iowa · 078443203 · Structure no. 000000000177780
- Built
- 1959
- 66 years old, rebuilt 1983
- Condition
- Poor
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 62 ft
- 2 main spans
- Daily traffic
- 20
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Loc 335th ST over Allen Creek is a steel continuous stringer/multi-beam or girder carrying Loc 335th ST over Allen Creek in Harrison County, Iowa. It was built in 1959 and reconstructed in 1983, so it is 66 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 20 vehicles a day, projected to reach 20 by 2044. The structure is 62 ft (18.9 m) long and 24 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 | 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Loc 335th ST over Allen Creek built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1983.
What condition is Loc 335th ST over Allen 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 January 2024.
How much traffic does Loc 335th ST over Allen Creek carry?
About 20 vehicles per day (2022 count).
How long is Loc 335th ST over Allen Creek?
The structure is 62 ft (18.9 m) long with a longest span of 59 ft (18 m) and a deck 24 ft wide.
Who owns Loc 335th ST over Allen Creek?
It is owned by the County Highway Agency.