US 61 & Ia 22 over Mad Creek
GoodMuscatine County, Iowa · 0.5 Mi. S of Jct. Ia 38 · Structure no. 000000000605155
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 226 ft
- 3 main spans
- Daily traffic
- 18,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 61 & Ia 22 over Mad Creek is a prestressed concrete stringer/multi-beam or girder carrying US 61 & Ia 22 over Mad Creek in Muscatine County, Iowa. It was built in 1984, so it is 41 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 18,300 vehicles a day, roughly 10% of them trucks, projected to reach 18,300 by 2042. The structure is 226 ft (68.9 m) long and 91 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 61 & Ia 22 over Mad Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is US 61 & Ia 22 over Mad Creek 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 March 2023.
How much traffic does US 61 & Ia 22 over Mad Creek carry?
About 18,300 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is US 61 & Ia 22 over Mad Creek?
The structure is 226 ft (68.9 m) long with a longest span of 82 ft (25 m) and a deck 91 ft wide.
Who owns US 61 & Ia 22 over Mad Creek?
It is owned by the State Highway Agency.