WB I-80 over W38 (black Hawk Ave)
FairJohnson County, Iowa · At Jct. SR W38. · Structure no. 000000000031940
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 133 ft
- 3 main spans
- Daily traffic
- 15,950
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
WB I-80 over W38 (black Hawk Ave) is a prestressed concrete stringer/multi-beam or girder carrying WB I-80 over W38 (black Hawk Ave) in Johnson County, Iowa. It was built in 1964, so it is 61 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 15,950 vehicles a day, roughly 35% of them trucks, projected to reach 15,950 by 2044. The structure is 133 ft (40.5 m) long and 46 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 WB I-80 over W38 (black Hawk Ave) built?
It was built in 1964, making it 61 years old in 2025.
What condition is WB I-80 over W38 (black Hawk Ave) 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 May 2024.
How much traffic does WB I-80 over W38 (black Hawk Ave) carry?
About 15,950 vehicles per day (2022 count), of which roughly 35% are trucks.
How long is WB I-80 over W38 (black Hawk Ave)?
The structure is 133 ft (40.5 m) long with a longest span of 52 ft (15.9 m) and a deck 46 ft wide.
Who owns WB I-80 over W38 (black Hawk Ave)?
It is owned by the State Highway Agency.