40th ST over Br Staff CR
GoodHoward County, Iowa · 100142601 · Structure no. 000000000184041
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 63 ft
- 2 main spans
- Daily traffic
- 73
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
40th ST over Br Staff CR is a steel stringer/multi-beam or girder carrying 40th ST over Br Staff CR in Howard County, Iowa. It was built in 2018, so it is 7 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 73 vehicles a day, projected to reach 73 by 2044. The structure is 63 ft (19.1 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 40th ST over Br Staff CR built?
It was built in 2018, making it 7 years old in 2025.
What condition is 40th ST over Br Staff CR 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 2024.
How much traffic does 40th ST over Br Staff CR carry?
About 73 vehicles per day (2022 count).
How long is 40th ST over Br Staff CR?
The structure is 63 ft (19.1 m) long with a longest span of 31 ft (9.3 m) and a deck 26 ft wide.
Who owns 40th ST over Br Staff CR?
It is owned by the County Highway Agency.