US 63 SB over Ia 163
FairMahaska County, Iowa · At Jct. of Ia 163 · Structure no. 000000000606715
- Built
- 1996
- 29 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 336 ft
- 4 main spans
- Daily traffic
- 2,750
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 63 SB over Ia 163 is a prestressed concrete stringer/multi-beam or girder carrying US 63 SB over Ia 163 in Mahaska County, Iowa. It was built in 1996, so it is 29 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 2,750 vehicles a day, roughly 12% of them trucks, projected to reach 2,750 by 2042. The structure is 336 ft (102.4 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 63 SB over Ia 163 built?
It was built in 1996, making it 29 years old in 2025.
What condition is US 63 SB over Ia 163 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 April 2023.
How much traffic does US 63 SB over Ia 163 carry?
About 2,750 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is US 63 SB over Ia 163?
The structure is 336 ft (102.4 m) long with a longest span of 112 ft (34.1 m) and a deck 29 ft wide.
Who owns US 63 SB over Ia 163?
It is owned by the State Highway Agency.