Ia 31 over Dry Creek
FairWoodbury County, Iowa · 2.2 Mi. S of JCT SR D54 · Structure no. 000000000053131
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected November 2024
- Type
- Slab
- Concrete Continuous
- Length
- 73 ft
- 3 main spans
- Daily traffic
- 850
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 31 over Dry Creek is a concrete continuous slab carrying Ia 31 over Dry Creek in Woodbury County, Iowa. It was built in 1988, so it is 37 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 850 vehicles a day, roughly 28% of them trucks, projected to reach 850 by 2044. The structure is 73 ft (22.3 m) long and 39 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Ia 31 over Dry Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is Ia 31 over Dry Creek 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 November 2024.
How much traffic does Ia 31 over Dry Creek carry?
About 850 vehicles per day (2022 count), of which roughly 28% are trucks.
How long is Ia 31 over Dry Creek?
The structure is 73 ft (22.3 m) long with a longest span of 28 ft (8.5 m) and a deck 39 ft wide.
Who owns Ia 31 over Dry Creek?
It is owned by the State Highway Agency.