120th Avenue over US 63
GoodWapello County, Iowa · 2.3 Mi. S of Jct. Ia 149 · Structure no. 000000000609125
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 394 ft
- 4 main spans
- Daily traffic
- 35
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
120th Avenue over US 63 is a steel continuous stringer/multi-beam or girder carrying 120th Avenue over US 63 in Wapello County, Iowa. It was built in 2005, so it is 20 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 35 vehicles a day, roughly 6% of them trucks, projected to reach 35 by 2043. The structure is 394 ft (120.1 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 120th Avenue over US 63 built?
It was built in 2005, making it 20 years old in 2025.
What condition is 120th Avenue over US 63 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 November 2023.
How much traffic does 120th Avenue over US 63 carry?
About 35 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is 120th Avenue over US 63?
The structure is 394 ft (120.1 m) long with a longest span of 128 ft (39 m) and a deck 33 ft wide.
Who owns 120th Avenue over US 63?
It is owned by the State Highway Agency.