US 6 & 71 over Troublesome Creek
GoodCass County, Iowa · 1.0 Mi. N of E Jct. Ia 83 · Structure no. 000000000017571
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 175 ft
- 3 main spans
- Daily traffic
- 2,270
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 6 & 71 over Troublesome Creek is a prestressed concrete stringer/multi-beam or girder carrying US 6 & 71 over Troublesome Creek in Cass County, Iowa. It was built in 1993, so it is 32 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 2,270 vehicles a day, roughly 21% of them trucks, projected to reach 2,270 by 2044. The structure is 175 ft (53.3 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 6 & 71 over Troublesome Creek built?
It was built in 1993, making it 32 years old in 2025.
What condition is US 6 & 71 over Troublesome Creek 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 6 & 71 over Troublesome Creek carry?
About 2,270 vehicles per day (2022 count), of which roughly 21% are trucks.
How long is US 6 & 71 over Troublesome Creek?
The structure is 175 ft (53.3 m) long with a longest span of 69 ft (21 m) and a deck 47 ft wide.
Who owns US 6 & 71 over Troublesome Creek?
It is owned by the State Highway Agency.