SE 20th Ave over Mud Creek Tributary
GoodPolk County, Iowa · 078221603 · Structure no. 000000000280671
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 151 ft
- 3 main spans
- Daily traffic
- 61
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
SE 20th Ave over Mud Creek Tributary is a prestressed concrete stringer/multi-beam or girder carrying SE 20th Ave over Mud Creek Tributary in Polk County, Iowa. It was built in 2013, so it is 12 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 61 vehicles a day, projected to reach 61 by 2044. The structure is 151 ft (46.1 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SE 20th Ave over Mud Creek Tributary built?
It was built in 2013, making it 12 years old in 2025.
What condition is SE 20th Ave over Mud Creek Tributary 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 September 2024.
How much traffic does SE 20th Ave over Mud Creek Tributary carry?
About 61 vehicles per day (2023 count).
How long is SE 20th Ave over Mud Creek Tributary?
The structure is 151 ft (46.1 m) long with a longest span of 55 ft (16.8 m) and a deck 33 ft wide.
Who owns SE 20th Ave over Mud Creek Tributary?
It is owned by the County Highway Agency.