Ag and Dnr Traffic over Red Rock Pool
FairPosted for loadMarion County, Iowa · Marion Co.; S30 T76 R19 · Structure no. CEPNCRIA-000005
- Built
- 1920
- 105 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 26 ft
- 1 main span
- Daily traffic
- 10
- 2020 count
- Owner
- Federal
- Corps of Engineers (Civil)
About this bridge
Ag and Dnr Traffic over Red Rock Pool is a steel stringer/multi-beam or girder carrying Ag and Dnr Traffic over Red Rock Pool in Marion County, Iowa. It was built in 1920, 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 10 by 2042. The structure is 26 ft (7.8 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ag and Dnr Traffic over Red Rock Pool built?
It was built in 1920, making it 105 years old in 2025.
What condition is Ag and Dnr Traffic over Red Rock Pool in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.
How much traffic does Ag and Dnr Traffic over Red Rock Pool carry?
About 10 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Ag and Dnr Traffic over Red Rock Pool?
The structure is 26 ft (7.8 m) long with a longest span of 24 ft (7.3 m) and a deck 16 ft wide.
Who owns Ag and Dnr Traffic over Red Rock Pool?
It is owned by the Corps of Engineers (Civil).