SB US 63 over Muchakinok Creek
GoodMahaska County, Iowa · 0.3 Mi. S of Jct. SR G71 · Structure no. 000000000606510
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 200 ft
- 3 main spans
- Daily traffic
- 6,250
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SB US 63 over Muchakinok Creek is a prestressed concrete stringer/multi-beam or girder carrying SB US 63 over Muchakinok Creek in Mahaska County, Iowa. It was built in 1997, so it is 28 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 6,250 vehicles a day, roughly 19% of them trucks, projected to reach 6,250 by 2044. The structure is 200 ft (61 m) long and 43 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SB US 63 over Muchakinok Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is SB US 63 over Muchakinok 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 July 2024.
How much traffic does SB US 63 over Muchakinok Creek carry?
About 6,250 vehicles per day (2022 count), of which roughly 19% are trucks.
How long is SB US 63 over Muchakinok Creek?
The structure is 200 ft (61 m) long with a longest span of 69 ft (21 m) and a deck 43 ft wide.
Who owns SB US 63 over Muchakinok Creek?
It is owned by the State Highway Agency.