Green RD over Rock Run CR
PoorPosted for loadCedar County, Iowa · 080030803 · Structure no. 000000000102980
- Built
- 1920
- 105 years old, rebuilt 1973
- Condition
- Poor
- inspected May 2024
- Type
- Truss - Thru
- Steel
- Length
- 64 ft
- 1 main span
- Daily traffic
- 50
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Green RD over Rock Run CR is a steel truss - thru carrying Green RD over Rock Run CR in Cedar County, Iowa. It was built in 1920 and reconstructed in 1973, so it is 105 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 50 vehicles a day, projected to reach 50 by 2044. The structure is 64 ft (19.5 m) long and 18 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Green RD over Rock Run CR built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1973.
What condition is Green RD over Rock Run CR 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 Green RD over Rock Run CR carry?
About 50 vehicles per day (2021 count).
How long is Green RD over Rock Run CR?
The structure is 64 ft (19.5 m) long with a longest span of 60 ft (18.3 m) and a deck 18 ft wide.
Who owns Green RD over Rock Run CR?
It is owned by the County Highway Agency.