Ia 58 over Black Hawk Ck Overflow
GoodBlack Hawk County, Iowa · 1.1 Mi. N of Jct. U.S. 63 · Structure no. 000000000015041
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 205 ft
- 3 main spans
- Daily traffic
- 5,200
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 58 over Black Hawk Ck Overflow is a prestressed concrete stringer/multi-beam or girder carrying Ia 58 over Black Hawk Ck Overflow in Black Hawk County, Iowa. It was built in 2006, so it is 19 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 5,200 vehicles a day, roughly 6% of them trucks, projected to reach 5,200 by 2044. The structure is 205 ft (62.5 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 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. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 58 over Black Hawk Ck Overflow built?
It was built in 2006, making it 19 years old in 2025.
What condition is Ia 58 over Black Hawk Ck Overflow 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 58 over Black Hawk Ck Overflow carry?
About 5,200 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is Ia 58 over Black Hawk Ck Overflow?
The structure is 205 ft (62.5 m) long with a longest span of 68 ft (20.7 m) and a deck 48 ft wide.
Who owns Ia 58 over Black Hawk Ck Overflow?
It is owned by the State Highway Agency.