Ia 330 over Clear Creek
FairMarshall County, Iowa · 1.8 Mi. S of S JCT SR S52 · Structure no. 000000000035591
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 154 ft
- 3 main spans
- Daily traffic
- 4,150
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 330 over Clear Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 330 over Clear Creek in Marshall County, Iowa. It was built in 1979, so it is 46 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 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 4,150 vehicles a day, roughly 18% of them trucks, projected to reach 4,150 by 2043. The structure is 154 ft (46.9 m) long and 47 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 | 8 Very Good | No problems noted. |
| 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 Ia 330 over Clear Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is Ia 330 over Clear 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 September 2023.
How much traffic does Ia 330 over Clear Creek carry?
About 4,150 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is Ia 330 over Clear Creek?
The structure is 154 ft (46.9 m) long with a longest span of 57 ft (17.4 m) and a deck 47 ft wide.
Who owns Ia 330 over Clear Creek?
It is owned by the State Highway Agency.