Bolton Manor RD over Simmons Creek
FairLinn County, Iowa · 083050401 · Structure no. 000000000220521
- Built
- 2002
- 23 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Wood or Timber
- Length
- 49 ft
- 2 main spans
- Daily traffic
- 70
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Bolton Manor RD over Simmons Creek is a wood or timber slab carrying Bolton Manor RD over Simmons Creek in Linn County, Iowa. It was built in 2002, so it is 23 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 70 vehicles a day, projected to reach 70 by 2044. The structure is 49 ft (14.9 m) long and 25 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 | 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 Bolton Manor RD over Simmons Creek built?
It was built in 2002, making it 23 years old in 2025.
What condition is Bolton Manor RD over Simmons 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 Bolton Manor RD over Simmons Creek carry?
About 70 vehicles per day (2022 count).
How long is Bolton Manor RD over Simmons Creek?
The structure is 49 ft (14.9 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.
Who owns Bolton Manor RD over Simmons Creek?
It is owned by the County Highway Agency.