US 63 over Nenebec Creek
FairMahaska County, Iowa · 0.2 Mi. N of Jct. SR G71 · Structure no. 000000000035071
- Built
- 1998
- 27 years old
- Condition
- Fair
- inspected September 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 20 ft
- 2 main spans
- Daily traffic
- 12,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 63 over Nenebec Creek is a concrete continuous culvert carrying US 63 over Nenebec Creek in Mahaska County, Iowa. It was built in 1998, so it is 27 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 12,500 vehicles a day, roughly 19% of them trucks, projected to reach 12,500 by 2044. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 9.9 mi (16 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 63 over Nenebec Creek built?
It was built in 1998, making it 27 years old in 2025.
What condition is US 63 over Nenebec Creek 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 September 2024.
How much traffic does US 63 over Nenebec Creek carry?
About 12,500 vehicles per day (2022 count), of which roughly 19% are trucks.
How long is US 63 over Nenebec Creek?
The structure is 20 ft (6.1 m) long with a longest span of 10 ft (3 m).
Who owns US 63 over Nenebec Creek?
It is owned by the State Highway Agency.