308th ST over W Br Perry Creek
GoodPlymouth County, Iowa · 090471603 · Structure no. 000000000271871
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 127 ft
- 3 main spans
- Daily traffic
- 20
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
308th ST over W Br Perry Creek is a concrete continuous slab carrying 308th ST over W Br Perry Creek in Plymouth County, Iowa. It was built in 1998, so it is 27 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 20 vehicles a day, projected to reach 20 by 2044. The structure is 127 ft (38.7 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 308th ST over W Br Perry Creek built?
It was built in 1998, making it 27 years old in 2025.
What condition is 308th ST over W Br Perry 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 308th ST over W Br Perry Creek carry?
About 20 vehicles per day (2022 count).
How long is 308th ST over W Br Perry Creek?
The structure is 127 ft (38.7 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.
Who owns 308th ST over W Br Perry Creek?
It is owned by the County Highway Agency.