I 74 WB over US 6 (spruce Hills)
FairScott County, Iowa · At Jct. US 6 · Structure no. 000000000047350
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 219 ft
- 4 main spans
- Daily traffic
- 19,450
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 74 WB over US 6 (spruce Hills) is a prestressed concrete stringer/multi-beam or girder carrying I 74 WB over US 6 (spruce Hills) in Scott County, Iowa. It was built in 1971, so it is 54 years old, older 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 5 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 19,450 vehicles a day, roughly 7% of them trucks, projected to reach 19,450 by 2044. The structure is 219 ft (66.8 m) long and 43 ft wide.
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 74 WB over US 6 (spruce Hills) built?
It was built in 1971, making it 54 years old in 2025.
What condition is I 74 WB over US 6 (spruce Hills) 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 February 2024.
How much traffic does I 74 WB over US 6 (spruce Hills) carry?
About 19,450 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is I 74 WB over US 6 (spruce Hills)?
The structure is 219 ft (66.8 m) long with a longest span of 73 ft (22.3 m) and a deck 43 ft wide.
Who owns I 74 WB over US 6 (spruce Hills)?
It is owned by the State Highway Agency.