US 61 SB over Muscatine Slough
GoodMuscatine County, Iowa · 6.7 Mi. N of S JCT Ia 92 · Structure no. 000000000607240
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 134 ft
- 3 main spans
- Daily traffic
- 3,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 61 SB over Muscatine Slough is a prestressed concrete stringer/multi-beam or girder carrying US 61 SB over Muscatine Slough in Muscatine 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 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 3,500 vehicles a day, roughly 17% of them trucks, projected to reach 3,500 by 2043. The structure is 134 ft (40.8 m) long and 44 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 61 SB over Muscatine Slough built?
It was built in 2002, making it 23 years old in 2025.
What condition is US 61 SB over Muscatine Slough 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 2023.
How much traffic does US 61 SB over Muscatine Slough carry?
About 3,500 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is US 61 SB over Muscatine Slough?
The structure is 134 ft (40.8 m) long with a longest span of 57 ft (17.4 m) and a deck 44 ft wide.
Who owns US 61 SB over Muscatine Slough?
It is owned by the State Highway Agency.