6th St. S.E. over Small Stream
GoodDubuque County, Iowa · 6th ST SE - Small Stream · Structure no. 000000000504090
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected October 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 349
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
6th St. S.E. over Small Stream is a concrete continuous culvert carrying 6th St. S.E. over Small Stream in Dubuque County, Iowa. It was built in 1987, so it is 38 years old, younger 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 349 vehicles a day, projected to reach 349 by 2044. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 6th St. S.E. over Small Stream built?
It was built in 1987, making it 38 years old in 2025.
What condition is 6th St. S.E. over Small Stream 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 October 2024.
How much traffic does 6th St. S.E. over Small Stream carry?
About 349 vehicles per day (2022 count).
How long is 6th St. S.E. over Small Stream?
The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m).
Who owns 6th St. S.E. over Small Stream?
It is owned by the City or Municipal Highway Agency.