Ia 60 NB over U.S. 18
GoodO'Brien County, Iowa · At Jct. U.S. 18 · Structure no. 000000000608900
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 252 ft
- 3 main spans
- Daily traffic
- 1,735
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 60 NB over U.S. 18 is a prestressed concrete stringer/multi-beam or girder carrying Ia 60 NB over U.S. 18 in O'Brien County, Iowa. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,735 vehicles a day, roughly 42% of them trucks, projected to reach 1,735 by 2042. The structure is 252 ft (76.8 m) long and 43 ft wide.
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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 60 NB over U.S. 18 built?
It was built in 2004, making it 21 years old in 2025.
What condition is Ia 60 NB over U.S. 18 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 March 2023.
How much traffic does Ia 60 NB over U.S. 18 carry?
About 1,735 vehicles per day (2022 count), of which roughly 42% are trucks.
How long is Ia 60 NB over U.S. 18?
The structure is 252 ft (76.8 m) long with a longest span of 137 ft (41.8 m) and a deck 43 ft wide.
Who owns Ia 60 NB over U.S. 18?
It is owned by the State Highway Agency.