7th ST NE over I-380
GoodLinn County, Iowa · 0.9 Mi. N of Jct. Ia #922 · Structure no. 000000000603850
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 268 ft
- 4 main spans
- Daily traffic
- 7,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
7th ST NE over I-380 is a prestressed concrete stringer/multi-beam or girder carrying 7th ST NE over I-380 in Linn County, Iowa. It was built in 1972, so it is 53 years old, older 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 7,300 vehicles a day, roughly 6% of them trucks, projected to reach 7,300 by 2043. The structure is 268 ft (81.7 m) long and 39 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 | 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 7th ST NE over I-380 built?
It was built in 1972, making it 53 years old in 2025.
What condition is 7th ST NE over I-380 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 March 2023.
How much traffic does 7th ST NE over I-380 carry?
About 7,300 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is 7th ST NE over I-380?
The structure is 268 ft (81.7 m) long with a longest span of 92 ft (28 m) and a deck 39 ft wide.
Who owns 7th ST NE over I-380?
It is owned by the State Highway Agency.