Ia 21 over Bear Creek
GoodPoweshiek County, Iowa · 1.0 Mi. S of W Jct. US 6 · Structure no. 000000000045950
- Built
- 1962
- 63 years old, rebuilt 2011
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 225 ft
- 3 main spans
- Daily traffic
- 800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 21 over Bear Creek is a steel continuous stringer/multi-beam or girder carrying Ia 21 over Bear Creek in Poweshiek County, Iowa. It was built in 1962 and reconstructed in 2011, so it is 63 years old, older 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 800 vehicles a day, roughly 28% of them trucks, projected to reach 800 by 2044. The structure is 225 ft (68.6 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 21 over Bear Creek built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2011.
What condition is Ia 21 over Bear 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 June 2024.
How much traffic does Ia 21 over Bear Creek carry?
About 800 vehicles per day (2022 count), of which roughly 28% are trucks.
How long is Ia 21 over Bear Creek?
The structure is 225 ft (68.6 m) long with a longest span of 86 ft (26.2 m) and a deck 33 ft wide.
Who owns Ia 21 over Bear Creek?
It is owned by the State Highway Agency.