Ia 5 NB over 8th Street
GoodPolk County, Iowa · 1.6 Miles NW JCT Ia 28 · Structure no. 000000000608665
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 185 ft
- 3 main spans
- Daily traffic
- 15,050
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 5 NB over 8th Street is a prestressed concrete stringer/multi-beam or girder carrying Ia 5 NB over 8th Street in Polk County, Iowa. It was built in 2002, so it is 23 years old, younger than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 15,050 vehicles a day, roughly 7% of them trucks, projected to reach 15,050 by 2044. The structure is 185 ft (56.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 5 NB over 8th Street built?
It was built in 2002, making it 23 years old in 2025.
What condition is Ia 5 NB over 8th Street in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.
How much traffic does Ia 5 NB over 8th Street carry?
About 15,050 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is Ia 5 NB over 8th Street?
The structure is 185 ft (56.4 m) long with a longest span of 82 ft (25 m) and a deck 44 ft wide.
Who owns Ia 5 NB over 8th Street?
It is owned by the State Highway Agency.