L40 over Ia 60
GoodOsceola County, Iowa · 3.2 Mi. S of JCT Ia 9 · Structure no. 000000000609635
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 297 ft
- 2 main spans
- Daily traffic
- 459
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
L40 over Ia 60 is a steel continuous stringer/multi-beam or girder carrying L40 over Ia 60 in Osceola County, Iowa. It was built in 2006, so it is 19 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 459 vehicles a day, roughly 12% of them trucks, projected to reach 459 by 2044. The structure is 297 ft (90.5 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 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 L40 over Ia 60 built?
It was built in 2006, making it 19 years old in 2025.
What condition is L40 over Ia 60 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 September 2024.
How much traffic does L40 over Ia 60 carry?
About 459 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is L40 over Ia 60?
The structure is 297 ft (90.5 m) long with a longest span of 147 ft (44.8 m) and a deck 33 ft wide.
Who owns L40 over Ia 60?
It is owned by the State Highway Agency.