EB US 20 Ramp B over Stream
GoodGrundy County, Iowa · 0.1 Mile W of JCT SR T55 · Structure no. 000000000607315
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 176 ft
- 3 main spans
- Daily traffic
- 270
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
EB US 20 Ramp B over Stream is a prestressed concrete stringer/multi-beam or girder carrying EB US 20 Ramp B over Stream in Grundy County, Iowa. It was built in 2000, so it is 25 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 270 vehicles a day, roughly 11% of them trucks, projected to reach 270 by 2044. The structure is 176 ft (53.6 m) long and 29 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was EB US 20 Ramp B over Stream built?
It was built in 2000, making it 25 years old in 2025.
What condition is EB US 20 Ramp B over Stream 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 July 2024.
How much traffic does EB US 20 Ramp B over Stream carry?
About 270 vehicles per day (2022 count), of which roughly 11% are trucks.
How long is EB US 20 Ramp B over Stream?
The structure is 176 ft (53.6 m) long with a longest span of 62 ft (18.9 m) and a deck 29 ft wide.
Who owns EB US 20 Ramp B over Stream?
It is owned by the State Highway Agency.