US 30 WB over Ia 1
GoodLinn County, Iowa · US 30 and Ia 1 Intchg · Structure no. 000000000700515
- Built
- 2019
- 6 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 197 ft
- 3 main spans
- Daily traffic
- 2,165
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 30 WB over Ia 1 is a prestressed concrete stringer/multi-beam or girder carrying US 30 WB over Ia 1 in Linn County, Iowa. It was built in 2019, so it is 6 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 2,165 vehicles a day, roughly 23% of them trucks, projected to reach 2,165 by 2044. The structure is 197 ft (60 m) long and 43 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 30 WB over Ia 1 built?
It was built in 2019, making it 6 years old in 2025.
What condition is US 30 WB over Ia 1 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 April 2024.
How much traffic does US 30 WB over Ia 1 carry?
About 2,165 vehicles per day (2022 count), of which roughly 23% are trucks.
How long is US 30 WB over Ia 1?
The structure is 197 ft (60 m) long with a longest span of 112 ft (34.1 m) and a deck 43 ft wide.
Who owns US 30 WB over Ia 1?
It is owned by the State Highway Agency.