Ia 13 over Cox Creek
FairClayton County, Iowa · 3.0 Mi. S of Jct. SR C24 · Structure no. 000000000020581
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected May 2024
- Type
- Slab
- Concrete Continuous
- Length
- 130 ft
- 3 main spans
- Daily traffic
- 2,680
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 13 over Cox Creek is a concrete continuous slab carrying Ia 13 over Cox Creek in Clayton County, Iowa. It was built in 1978, so it is 47 years old, older 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 2,680 vehicles a day, roughly 17% of them trucks, projected to reach 2,680 by 2044. The structure is 130 ft (39.6 m) long and 47 ft wide. If it were closed, the detour would be 31.7 mi (51 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 13 over Cox Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is Ia 13 over Cox 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 May 2024.
How much traffic does Ia 13 over Cox Creek carry?
About 2,680 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is Ia 13 over Cox Creek?
The structure is 130 ft (39.6 m) long with a longest span of 51 ft (15.5 m) and a deck 47 ft wide.
Who owns Ia 13 over Cox Creek?
It is owned by the State Highway Agency.