SB US 61 over 11th ST
FairDubuque County, Iowa · 1.0 Mi. N. of Jct. US 20. · Structure no. 000000000601215
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 205 ft
- 3 main spans
- Daily traffic
- 11,150
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SB US 61 over 11th ST is a prestressed concrete stringer/multi-beam or girder carrying SB US 61 over 11th ST in Dubuque County, Iowa. It was built in 1992, so it is 33 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 11,150 vehicles a day, roughly 17% of them trucks, projected to reach 11,150 by 2043. The structure is 205 ft (62.5 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SB US 61 over 11th ST built?
It was built in 1992, making it 33 years old in 2025.
What condition is SB US 61 over 11th ST 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 June 2023.
How much traffic does SB US 61 over 11th ST carry?
About 11,150 vehicles per day (2021 count), of which roughly 17% are trucks.
How long is SB US 61 over 11th ST?
The structure is 205 ft (62.5 m) long with a longest span of 77 ft (23.5 m) and a deck 40 ft wide.
Who owns SB US 61 over 11th ST?
It is owned by the State Highway Agency.