I 380 NB over Clear Creek
GoodJohnson County, Iowa · 0.5 Mi. N of Jct. 80 · Structure no. 000000000600371
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 328 ft
- 3 main spans
- Daily traffic
- 18,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 380 NB over Clear Creek is a prestressed concrete stringer/multi-beam or girder carrying I 380 NB over Clear Creek in Johnson County, Iowa. It was built in 2021, so it is 4 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 18,000 vehicles a day, roughly 18% of them trucks, projected to reach 18,000 by 2044. The structure is 328 ft (99.9 m) long and 96 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 | 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 I 380 NB over Clear Creek built?
It was built in 2021, making it 4 years old in 2025.
What condition is I 380 NB over Clear 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 September 2024.
How much traffic does I 380 NB over Clear Creek carry?
About 18,000 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is I 380 NB over Clear Creek?
The structure is 328 ft (99.9 m) long with a longest span of 112 ft (34.1 m) and a deck 96 ft wide.
Who owns I 380 NB over Clear Creek?
It is owned by the State Highway Agency.