S 12th Ave E over Rock Creek
PoorPosted for loadJasper County, Iowa · 079170501 · Structure no. 000000000196270
- Built
- 1948
- 77 years old
- Condition
- Poor
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 183 ft
- 3 main spans
- Daily traffic
- 35
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
S 12th Ave E over Rock Creek is a steel continuous stringer/multi-beam or girder carrying S 12th Ave E over Rock Creek in Jasper County, Iowa. It was built in 1948, so it is 77 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 35 vehicles a day, projected to reach 35 by 2043. The structure is 183 ft (55.8 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 S 12th Ave E over Rock Creek built?
It was built in 1948, making it 77 years old in 2025.
What condition is S 12th Ave E over Rock 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 May 2023.
How much traffic does S 12th Ave E over Rock Creek carry?
About 35 vehicles per day (2022 count).
How long is S 12th Ave E over Rock Creek?
The structure is 183 ft (55.8 m) long with a longest span of 70 ft (21.3 m) and a deck 23 ft wide.
Who owns S 12th Ave E over Rock Creek?
It is owned by the County Highway Agency.