Hemlock Ave over Graybill Creek
PoorPosted for loadPottawattamie County, Iowa · 075391607 · Structure no. 000000000285430
- Built
- 1947
- 78 years old, rebuilt 1998
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 106 ft
- 1 main span
- Daily traffic
- 5
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Hemlock Ave over Graybill Creek is a steel stringer/multi-beam or girder carrying Hemlock Ave over Graybill Creek in Pottawattamie County, Iowa. It was built in 1947 and reconstructed in 1998, so it is 78 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 5 vehicles a day, projected to reach 5 by 2044. The structure is 106 ft (32.3 m) long and 17 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 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 Hemlock Ave over Graybill Creek built?
It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1998.
What condition is Hemlock Ave over Graybill 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 2024.
How much traffic does Hemlock Ave over Graybill Creek carry?
About 5 vehicles per day (2022 count).
How long is Hemlock Ave over Graybill Creek?
The structure is 106 ft (32.3 m) long with a longest span of 59 ft (18 m) and a deck 17 ft wide.
Who owns Hemlock Ave over Graybill Creek?
It is owned by the County Highway Agency.