SB I-380 over H Ave NE
GoodLinn County, Iowa · 2.3 Mi.S.Of JCT.100 · Structure no. 000000000604260
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 171 ft
- 3 main spans
- Daily traffic
- 38,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SB I-380 over H Ave NE is a prestressed concrete stringer/multi-beam or girder carrying SB I-380 over H Ave NE in Linn County, Iowa. It was built in 1980, so it is 45 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 38,800 vehicles a day, roughly 11% of them trucks, projected to reach 38,800 by 2043. The structure is 171 ft (52.1 m) long and 59 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 SB I-380 over H Ave NE built?
It was built in 1980, making it 45 years old in 2025.
What condition is SB I-380 over H Ave NE 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 SB I-380 over H Ave NE carry?
About 38,800 vehicles per day (2022 count), of which roughly 11% are trucks.
How long is SB I-380 over H Ave NE?
The structure is 171 ft (52.1 m) long with a longest span of 77 ft (23.5 m) and a deck 59 ft wide.
Who owns SB I-380 over H Ave NE?
It is owned by the State Highway Agency.