SB US 218 over Black Hawk Ck & RD
FairBlack Hawk County, Iowa · 0.2 Mi. N of Jct. U.S. 63 · Structure no. 000000000601040
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 897 ft
- 12 main spans
- Daily traffic
- 11,350
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SB US 218 over Black Hawk Ck & RD is a prestressed concrete stringer/multi-beam or girder carrying SB US 218 over Black Hawk Ck & RD in Black Hawk County, Iowa. It was built in 1991, so it is 34 years old, younger than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 11,350 vehicles a day, roughly 10% of them trucks, projected to reach 11,350 by 2044. The structure is 897 ft (273.4 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SB US 218 over Black Hawk Ck & RD built?
It was built in 1991, making it 34 years old in 2025.
What condition is SB US 218 over Black Hawk Ck & RD in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.
How much traffic does SB US 218 over Black Hawk Ck & RD carry?
About 11,350 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is SB US 218 over Black Hawk Ck & RD?
The structure is 897 ft (273.4 m) long with a longest span of 92 ft (28 m) and a deck 72 ft wide.
Who owns SB US 218 over Black Hawk Ck & RD?
It is owned by the State Highway Agency.