Sumac Road over Stream
FairPottawattamie County, Iowa · 077423103 · Structure no. 000000000290491
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected May 2023
- Type
- Culvert
- Steel
- Length
- 21 ft
- 1 main span
- Daily traffic
- 15
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Sumac Road over Stream is a steel culvert carrying Sumac Road over Stream in Pottawattamie County, Iowa. It was built in 1977, so it is 48 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 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 15 vehicles a day, projected to reach 15 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sumac Road over Stream built?
It was built in 1977, making it 48 years old in 2025.
What condition is Sumac Road over Stream 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 May 2023.
How much traffic does Sumac Road over Stream carry?
About 15 vehicles per day (2021 count).
How long is Sumac Road over Stream?
The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).
Who owns Sumac Road over Stream?
It is owned by the County Highway Agency.