NB Ia 27 over Cedar River & Ia North R
GoodBlack Hawk County, Iowa · 0.8 Mi. S of Jct. US 218 · Structure no. 000000000601535
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 2,861 ft
- 29 main spans
- Daily traffic
- 7,550
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
NB Ia 27 over Cedar River & Ia North R is a prestressed concrete stringer/multi-beam or girder carrying NB Ia 27 over Cedar River & Ia North R in Black Hawk County, Iowa. It was built in 1995, so it is 30 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 7,550 vehicles a day, roughly 7% of them trucks, projected to reach 7,550 by 2043. The structure is 2,861 ft (872 m) long and 43 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 | 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 NB Ia 27 over Cedar River & Ia North R built?
It was built in 1995, making it 30 years old in 2025.
What condition is NB Ia 27 over Cedar River & Ia North R 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 September 2023.
How much traffic does NB Ia 27 over Cedar River & Ia North R carry?
About 7,550 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is NB Ia 27 over Cedar River & Ia North R?
The structure is 2,861 ft (872 m) long with a longest span of 103 ft (31.4 m) and a deck 43 ft wide.
Who owns NB Ia 27 over Cedar River & Ia North R?
It is owned by the State Highway Agency.