Ia 57 over Stream
GoodBlack Hawk County, Iowa · 6.1 Mi. W of Jct. US 218 · Structure no. 000000000014571
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 133 ft
- 3 main spans
- Daily traffic
- 2,580
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 57 over Stream is a concrete continuous slab carrying Ia 57 over Stream in Black Hawk County, Iowa. It was built in 2010, so it is 15 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 2,580 vehicles a day, roughly 6% of them trucks, projected to reach 2,580 by 2044. The structure is 133 ft (40.5 m) long and 43 ft wide. If it were closed, the detour would be 16.2 mi (26 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 57 over Stream built?
It was built in 2010, making it 15 years old in 2025.
What condition is Ia 57 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 October 2024.
How much traffic does Ia 57 over Stream carry?
About 2,580 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is Ia 57 over Stream?
The structure is 133 ft (40.5 m) long with a longest span of 51 ft (15.5 m) and a deck 43 ft wide.
Who owns Ia 57 over Stream?
It is owned by the State Highway Agency.