Emmons ST over I-380
GoodLinn County, Iowa · 0.9 Mi. N of Jct. 100 · Structure no. 000000000604735
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 246 ft
- 4 main spans
- Daily traffic
- 3,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Emmons ST over I-380 is a prestressed concrete stringer/multi-beam or girder carrying Emmons ST over I-380 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 3,500 vehicles a day, projected to reach 3,500 by 2044. The structure is 246 ft (75 m) long and 47 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 | 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 Emmons ST over I-380 built?
It was built in 1980, making it 45 years old in 2025.
What condition is Emmons ST 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 November 2024.
How much traffic does Emmons ST over I-380 carry?
About 3,500 vehicles per day (2022 count).
How long is Emmons ST over I-380?
The structure is 246 ft (75 m) long with a longest span of 82 ft (25 m) and a deck 47 ft wide.
Who owns Emmons ST over I-380?
It is owned by the State Highway Agency.