WB I-80 over South Skunk River
FairJasper County, Iowa · 2.5 Mi. W of JCT 117 · Structure no. 000000000030900
- Built
- 1960
- 65 years old, rebuilt 1979
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 390 ft
- 3 main spans
- Daily traffic
- 18,050
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
WB I-80 over South Skunk River is a steel continuous stringer/multi-beam or girder carrying WB I-80 over South Skunk River in Jasper County, Iowa. It was built in 1960 and reconstructed in 1979, so it is 65 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 18,050 vehicles a day, roughly 31% of them trucks, projected to reach 18,050 by 2042. The structure is 390 ft (118.9 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was WB I-80 over South Skunk River built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1979.
What condition is WB I-80 over South Skunk River 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 2023.
How much traffic does WB I-80 over South Skunk River carry?
About 18,050 vehicles per day (2022 count), of which roughly 31% are trucks.
How long is WB I-80 over South Skunk River?
The structure is 390 ft (118.9 m) long with a longest span of 150 ft (45.7 m) and a deck 42 ft wide.
Who owns WB I-80 over South Skunk River?
It is owned by the State Highway Agency.