US 71 over E to W Okoboji Lkes Conn
GoodDickinson County, Iowa · 3.2 Mi. S of S Jct. Ia. 9 · Structure no. 000000000023671
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Steel
- Length
- 67 ft
- 1 main span
- Daily traffic
- 14,600
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 71 over E to W Okoboji Lkes Conn is a steel box beam or girders - multiple carrying US 71 over E to W Okoboji Lkes Conn in Dickinson County, Iowa. It was built in 1999, so it is 26 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 14,600 vehicles a day, roughly 3% of them trucks, projected to reach 14,600 by 2044. The structure is 67 ft (20.4 m) long and 52 ft wide. If it were closed, the detour would be 19.3 mi (31 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 71 over E to W Okoboji Lkes Conn built?
It was built in 1999, making it 26 years old in 2025.
What condition is US 71 over E to W Okoboji Lkes Conn 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 US 71 over E to W Okoboji Lkes Conn carry?
About 14,600 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is US 71 over E to W Okoboji Lkes Conn?
The structure is 67 ft (20.4 m) long with a longest span of 59 ft (18 m) and a deck 52 ft wide.
Who owns US 71 over E to W Okoboji Lkes Conn?
It is owned by the State Highway Agency.