310th ST over Muddy Creek
GoodPlymouth County, Iowa · 090452101 · Structure no. 000000000271451
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Concrete
- Length
- 91 ft
- 3 main spans
- Daily traffic
- 34
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
310th ST over Muddy Creek is a concrete slab carrying 310th ST over Muddy Creek in Plymouth County, Iowa. It was built in 1999, so it is 26 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 34 vehicles a day, projected to reach 34 by 2044. The structure is 91 ft (27.7 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 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 310th ST over Muddy Creek built?
It was built in 1999, making it 26 years old in 2025.
What condition is 310th ST over Muddy 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 July 2024.
How much traffic does 310th ST over Muddy Creek carry?
About 34 vehicles per day (2022 count).
How long is 310th ST over Muddy Creek?
The structure is 91 ft (27.7 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.
Who owns 310th ST over Muddy Creek?
It is owned by the County Highway Agency.