370 Avenue over Walnut Creek
FairFremont County, Iowa · 069400802 · Structure no. 000000000159860
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 226 ft
- 3 main spans
- Daily traffic
- 229
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
370 Avenue over Walnut Creek is a steel continuous stringer/multi-beam or girder carrying 370 Avenue over Walnut Creek in Fremont County, Iowa. It was built in 1969, so it is 56 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 229 vehicles a day, roughly 14% of them trucks, projected to reach 229 by 2043. The structure is 226 ft (68.9 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 370 Avenue over Walnut Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is 370 Avenue over Walnut 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 April 2023.
How much traffic does 370 Avenue over Walnut Creek carry?
About 229 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is 370 Avenue over Walnut Creek?
The structure is 226 ft (68.9 m) long with a longest span of 88 ft (26.8 m) and a deck 30 ft wide.
Who owns 370 Avenue over Walnut Creek?
It is owned by the County Highway Agency.