I 380 NB over Ia 150
GoodBenton County, Iowa · At Jct. Iowa 150 · Structure no. 000000000605135
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 316 ft
- 3 main spans
- Daily traffic
- 8,550
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 380 NB over Ia 150 is a steel continuous stringer/multi-beam or girder carrying I 380 NB over Ia 150 in Benton County, Iowa. It was built in 1982, so it is 43 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 8,550 vehicles a day, roughly 28% of them trucks, projected to reach 8,550 by 2042. The structure is 316 ft (96.3 m) long and 43 ft wide.
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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 380 NB over Ia 150 built?
It was built in 1982, making it 43 years old in 2025.
What condition is I 380 NB over Ia 150 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 February 2023.
How much traffic does I 380 NB over Ia 150 carry?
About 8,550 vehicles per day (2022 count), of which roughly 28% are trucks.
How long is I 380 NB over Ia 150?
The structure is 316 ft (96.3 m) long with a longest span of 149 ft (45.4 m) and a deck 43 ft wide.
Who owns I 380 NB over Ia 150?
It is owned by the State Highway Agency.