US 30 over Salt Creek
GoodTama County, Iowa · 0.8 Mi. W of Jct. Ia 21 · Structure no. 000000000049541
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 409 ft
- 5 main spans
- Daily traffic
- 4,510
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 30 over Salt Creek is a prestressed concrete stringer/multi-beam or girder carrying US 30 over Salt Creek in Tama County, Iowa. It was built in 1989, so it is 36 years old, younger than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 4,510 vehicles a day, roughly 27% of them trucks, projected to reach 4,510 by 2044. The structure is 409 ft (124.7 m) long and 47 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Salt Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is US 30 over Salt Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.
How much traffic does US 30 over Salt Creek carry?
About 4,510 vehicles per day (2022 count), of which roughly 27% are trucks.
How long is US 30 over Salt Creek?
The structure is 409 ft (124.7 m) long with a longest span of 82 ft (25 m) and a deck 47 ft wide.
Who owns US 30 over Salt Creek?
It is owned by the State Highway Agency.