Ia 13 over Wapsipinicon River
FairLinn County, Iowa · In Central City · Structure no. 000000000033671
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 531 ft
- 5 main spans
- Daily traffic
- 5,600
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 13 over Wapsipinicon River is a steel continuous stringer/multi-beam or girder carrying Ia 13 over Wapsipinicon River in Linn County, Iowa. It was built in 1973, so it is 52 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 5 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 5,600 vehicles a day, roughly 11% of them trucks, projected to reach 5,600 by 2044. The structure is 531 ft (161.8 m) long and 48 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 13 over Wapsipinicon River built?
It was built in 1973, making it 52 years old in 2025.
What condition is Ia 13 over Wapsipinicon River 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 Ia 13 over Wapsipinicon River carry?
About 5,600 vehicles per day (2022 count), of which roughly 11% are trucks.
How long is Ia 13 over Wapsipinicon River?
The structure is 531 ft (161.8 m) long with a longest span of 115 ft (35.1 m) and a deck 48 ft wide.
Who owns Ia 13 over Wapsipinicon River?
It is owned by the State Highway Agency.