SB US 218 over NB US 63
FairBlack Hawk County, Iowa · 3.6 Mi. N of US 20 · Structure no. 000000000601205
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 426 ft
- 4 main spans
- Daily traffic
- 10,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SB US 218 over NB US 63 is a steel continuous stringer/multi-beam or girder carrying SB US 218 over NB US 63 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 10,300 vehicles a day, roughly 12% of them trucks, projected to reach 10,300 by 2043. The structure is 426 ft (129.8 m) long and 59 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SB US 218 over NB US 63 built?
It was built in 1991, making it 34 years old in 2025.
What condition is SB US 218 over NB US 63 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 June 2023.
How much traffic does SB US 218 over NB US 63 carry?
About 10,300 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is SB US 218 over NB US 63?
The structure is 426 ft (129.8 m) long with a longest span of 154 ft (46.9 m) and a deck 59 ft wide.
Who owns SB US 218 over NB US 63?
It is owned by the State Highway Agency.