400th over Burr Oak Creek
FairMitchell County, Iowa · 098160501 · Structure no. 000000000247841
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected January 2024
- Type
- Channel Beam
- Concrete
- Length
- 50 ft
- 2 main spans
- Daily traffic
- 59
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
400th over Burr Oak Creek is a concrete channel beam carrying 400th over Burr Oak Creek in Mitchell County, Iowa. It was built in 1975, so it is 50 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 59 vehicles a day, projected to reach 59 by 2044. The structure is 50 ft (15.2 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 400th over Burr Oak Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is 400th over Burr Oak Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.
How much traffic does 400th over Burr Oak Creek carry?
About 59 vehicles per day (2022 count).
How long is 400th over Burr Oak Creek?
The structure is 50 ft (15.2 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.
Who owns 400th over Burr Oak Creek?
It is owned by the County Highway Agency.