Loc 320th ST over Calamus Creek
GoodKossuth County, Iowa · 097291801 · Structure no. 000000000216001
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 58 ft
- 1 main span
- Daily traffic
- 15
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Loc 320th ST over Calamus Creek is a prestressed concrete stringer/multi-beam or girder carrying Loc 320th ST over Calamus Creek in Kossuth County, Iowa. It was built in 1991, so it is 34 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 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 15 vehicles a day, projected to reach 15 by 2043. The structure is 58 ft (17.8 m) long and 27 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Loc 320th ST over Calamus Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is Loc 320th ST over Calamus 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 May 2023.
How much traffic does Loc 320th ST over Calamus Creek carry?
About 15 vehicles per day (2021 count).
How long is Loc 320th ST over Calamus Creek?
The structure is 58 ft (17.8 m) long with a longest span of 55 ft (16.8 m) and a deck 27 ft wide.
Who owns Loc 320th ST over Calamus Creek?
It is owned by the County Highway Agency.