150th Street over Kemp Creek
PoorPosted for loadAdams County, Iowa · 073333201 · Structure no. 000000000060690
- Built
- 1961
- 64 years old
- Condition
- Poor
- inspected January 2023
- Type
- Slab
- Concrete Continuous
- Length
- 103 ft
- 3 main spans
- Daily traffic
- 180
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
150th Street over Kemp Creek is a concrete continuous slab carrying 150th Street over Kemp Creek in Adams County, Iowa. It was built in 1961, so it is 64 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 180 vehicles a day, roughly 15% of them trucks, projected to reach 180 by 2043. The structure is 103 ft (31.4 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 150th Street over Kemp Creek built?
It was built in 1961, making it 64 years old in 2025.
What condition is 150th Street over Kemp 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 2023.
How much traffic does 150th Street over Kemp Creek carry?
About 180 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is 150th Street over Kemp Creek?
The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 26 ft wide.
Who owns 150th Street over Kemp Creek?
It is owned by the County Highway Agency.