US 30 over Mill Creek
FairCedar County, Iowa · 2.3 MI E of E JCT Ia #38 · Structure no. 000000000018271
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected June 2023
- Type
- Slab
- Concrete Continuous
- Length
- 83 ft
- 3 main spans
- Daily traffic
- 3,540
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 30 over Mill Creek is a concrete continuous slab carrying US 30 over Mill Creek in Cedar County, Iowa. It was built in 1974, so it is 51 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 3,540 vehicles a day, roughly 17% of them trucks, projected to reach 3,540 by 2042. The structure is 83 ft (25.3 m) long and 48 ft wide. If it were closed, the detour would be 24.2 mi (39 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 30 over Mill Creek built?
It was built in 1974, making it 51 years old in 2025.
What condition is US 30 over Mill 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 2023.
How much traffic does US 30 over Mill Creek carry?
About 3,540 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is US 30 over Mill Creek?
The structure is 83 ft (25.3 m) long with a longest span of 31 ft (9.4 m) and a deck 48 ft wide.
Who owns US 30 over Mill Creek?
It is owned by the State Highway Agency.