Alderman RD over Simmens Creek
FairLinn County, Iowa · 084053402 · Structure no. 000000000221281
- Built
- 1996
- 29 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Wood or Timber
- Length
- 24 ft
- 1 main span
- Daily traffic
- 33
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Alderman RD over Simmens Creek is a wood or timber slab carrying Alderman RD over Simmens Creek in Linn County, Iowa. It was built in 1996, so it is 29 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 33 vehicles a day, projected to reach 33 by 2044. The structure is 24 ft (7.3 m) long and 24 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Alderman RD over Simmens Creek built?
It was built in 1996, making it 29 years old in 2025.
What condition is Alderman RD over Simmens Creek 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 September 2024.
How much traffic does Alderman RD over Simmens Creek carry?
About 33 vehicles per day (2022 count).
How long is Alderman RD over Simmens Creek?
The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.
Who owns Alderman RD over Simmens Creek?
It is owned by the County Highway Agency.