Loc 420th ST over Drainage Ditch #90
GoodKossuth County, Iowa · 099273001 · Structure no. 000000000216911
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 77 ft
- 3 main spans
- Daily traffic
- 62
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Loc 420th ST over Drainage Ditch #90 is a concrete continuous slab carrying Loc 420th ST over Drainage Ditch #90 in Kossuth County, Iowa. It was built in 1983, so it is 42 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 62 vehicles a day, projected to reach 62 by 2043. The structure is 77 ft (23.4 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Loc 420th ST over Drainage Ditch #90 built?
It was built in 1983, making it 42 years old in 2025.
What condition is Loc 420th ST over Drainage Ditch #90 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 420th ST over Drainage Ditch #90 carry?
About 62 vehicles per day (2022 count).
How long is Loc 420th ST over Drainage Ditch #90?
The structure is 77 ft (23.4 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.
Who owns Loc 420th ST over Drainage Ditch #90?
It is owned by the County Highway Agency.