Stone Mill RD over Rock Run Creek
PoorCedar County, Iowa · 080032203 · Structure no. 000000000103091
- Built
- 1974
- 51 years old
- Condition
- Poor
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 39 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Stone Mill RD over Rock Run Creek is a steel stringer/multi-beam or girder carrying Stone Mill RD over Rock Run Creek in Cedar County, Iowa. It was built in 1974, so it is 51 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.
It carries about 50 vehicles a day, projected to reach 50 by 2044. The structure is 39 ft (11.9 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 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 Stone Mill RD over Rock Run Creek built?
It was built in 1974, making it 51 years old in 2025.
What condition is Stone Mill RD over Rock Run 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 2024.
How much traffic does Stone Mill RD over Rock Run Creek carry?
About 50 vehicles per day (2022 count).
How long is Stone Mill RD over Rock Run Creek?
The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 20 ft wide.
Who owns Stone Mill RD over Rock Run Creek?
It is owned by the County Highway Agency.