WB I-80 over Rock Creek
FairJasper County, Iowa · 3.2 Mi. E of Jct. Ia 224 · Structure no. 000000000031250
- Built
- 1962
- 63 years old, rebuilt 1979
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 183 ft
- 3 main spans
- Daily traffic
- 14,600
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
WB I-80 over Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying WB I-80 over Rock Creek in Jasper County, Iowa. It was built in 1962 and reconstructed in 1979, so it is 63 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 14,600 vehicles a day, roughly 37% of them trucks, projected to reach 14,600 by 2044. The structure is 183 ft (55.8 m) long and 42 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was WB I-80 over Rock Creek built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1979.
What condition is WB I-80 over Rock Creek 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 2024.
How much traffic does WB I-80 over Rock Creek carry?
About 14,600 vehicles per day (2022 count), of which roughly 37% are trucks.
How long is WB I-80 over Rock Creek?
The structure is 183 ft (55.8 m) long with a longest span of 69 ft (21 m) and a deck 42 ft wide.
Who owns WB I-80 over Rock Creek?
It is owned by the State Highway Agency.