N 16th ST over Drainage
GoodMarshall County, Iowa · 084182702 · Structure no. 000000000007870
- Built
- 1951
- 74 years old
- Condition
- Good
- inspected July 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 814
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
N 16th ST over Drainage is a concrete continuous culvert carrying N 16th ST over Drainage in Marshall County, Iowa. It was built in 1951, so it is 74 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 814 vehicles a day, projected to reach 814 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N 16th ST over Drainage built?
It was built in 1951, making it 74 years old in 2025.
What condition is N 16th ST over Drainage in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.
How much traffic does N 16th ST over Drainage carry?
About 814 vehicles per day (2022 count).
How long is N 16th ST over Drainage?
The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).
Who owns N 16th ST over Drainage?
It is owned by the City or Municipal Highway Agency.