US 30 EB over Ramp B to Ia Ave
GoodMarshall County, Iowa · 2.2 Miles E of JCT Ia 330 · Structure no. 000000000601890
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 230 ft
- 3 main spans
- Daily traffic
- 5,100
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 30 EB over Ramp B to Ia Ave is a prestressed concrete stringer/multi-beam or girder carrying US 30 EB over Ramp B to Ia Ave in Marshall County, Iowa. It was built in 1996, so it is 29 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 5,100 vehicles a day, roughly 19% of them trucks, projected to reach 5,100 by 2043. The structure is 230 ft (70.1 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 30 EB over Ramp B to Ia Ave built?
It was built in 1996, making it 29 years old in 2025.
What condition is US 30 EB over Ramp B to Ia Ave 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 September 2023.
How much traffic does US 30 EB over Ramp B to Ia Ave carry?
About 5,100 vehicles per day (2022 count), of which roughly 19% are trucks.
How long is US 30 EB over Ramp B to Ia Ave?
The structure is 230 ft (70.1 m) long with a longest span of 107 ft (32.6 m) and a deck 43 ft wide.
Who owns US 30 EB over Ramp B to Ia Ave?
It is owned by the State Highway Agency.