US 30 EB to Ia 100 over US 30
GoodLinn County, Iowa · 2.5 Mi. W of Jct. US 151 · Structure no. 000000000605690
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 406 ft
- 4 main spans
- Daily traffic
- 990
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 30 EB to Ia 100 over US 30 is a steel continuous stringer/multi-beam or girder carrying US 30 EB to Ia 100 over US 30 in Linn County, Iowa. It was built in 1985, so it is 40 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 990 vehicles a day, roughly 7% of them trucks, projected to reach 990 by 2042. The structure is 406 ft (123.7 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 30 EB to Ia 100 over US 30 built?
It was built in 1985, making it 40 years old in 2025.
What condition is US 30 EB to Ia 100 over US 30 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 April 2023.
How much traffic does US 30 EB to Ia 100 over US 30 carry?
About 990 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is US 30 EB to Ia 100 over US 30?
The structure is 406 ft (123.7 m) long with a longest span of 126 ft (38.4 m) and a deck 29 ft wide.
Who owns US 30 EB to Ia 100 over US 30?
It is owned by the State Highway Agency.