EB US 30 over Grant Creek
FairStory County, Iowa · 2.8 Miles E of JCT I-35 · Structure no. 000000000048780
- Built
- 1964
- 61 years old, rebuilt 2013
- Condition
- Fair
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 82 ft
- 3 main spans
- Daily traffic
- 8,100
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
EB US 30 over Grant Creek is a concrete continuous slab carrying EB US 30 over Grant Creek in Story County, Iowa. It was built in 1964 and reconstructed in 2013, 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 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 8,100 vehicles a day, roughly 8% of them trucks, projected to reach 8,100 by 2043. The structure is 82 ft (25 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was EB US 30 over Grant Creek built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2013.
What condition is EB US 30 over Grant 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 EB US 30 over Grant Creek carry?
About 8,100 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is EB US 30 over Grant Creek?
The structure is 82 ft (25 m) long with a longest span of 31 ft (9.4 m) and a deck 42 ft wide.
Who owns EB US 30 over Grant Creek?
It is owned by the State Highway Agency.