CO RD over Drainage Ditch #31
FairCalhoun County, Iowa · 088313501 · Structure no. 000000000016891
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 99 ft
- 1 main span
- Daily traffic
- 669
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
CO RD over Drainage Ditch #31 is a prestressed concrete stringer/multi-beam or girder carrying CO RD over Drainage Ditch #31 in Calhoun County, Iowa. It was built in 1990, so it is 35 years old, younger 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 669 vehicles a day, roughly 24% of them trucks, projected to reach 669 by 2044. The structure is 99 ft (30.2 m) long and 48 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CO RD over Drainage Ditch #31 built?
It was built in 1990, making it 35 years old in 2025.
What condition is CO RD over Drainage Ditch #31 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 July 2024.
How much traffic does CO RD over Drainage Ditch #31 carry?
About 669 vehicles per day (2022 count), of which roughly 24% are trucks.
How long is CO RD over Drainage Ditch #31?
The structure is 99 ft (30.2 m) long with a longest span of 95 ft (29 m) and a deck 48 ft wide.
Who owns CO RD over Drainage Ditch #31?
It is owned by the County Highway Agency.