Ia 4 over North Raccoon River
FairGreene County, Iowa · 1.9 MI S of JCT SR E53 · Structure no. 000000000025681
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 350 ft
- 4 main spans
- Daily traffic
- 2,210
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 4 over North Raccoon River is a prestressed concrete stringer/multi-beam or girder carrying Ia 4 over North Raccoon River in Greene 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 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 2,210 vehicles a day, roughly 14% of them trucks, projected to reach 2,210 by 2044. The structure is 350 ft (106.7 m) long and 43 ft wide. If it were closed, the detour would be 19.3 mi (31 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 4 over North Raccoon River built?
It was built in 1983, making it 42 years old in 2025.
What condition is Ia 4 over North Raccoon 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 June 2024.
How much traffic does Ia 4 over North Raccoon River carry?
About 2,210 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is Ia 4 over North Raccoon River?
The structure is 350 ft (106.7 m) long with a longest span of 87 ft (26.5 m) and a deck 43 ft wide.
Who owns Ia 4 over North Raccoon River?
It is owned by the State Highway Agency.