Ia 57 over Cedar River
FairBlack Hawk County, Iowa · 0.8 Mi. W of Jct. 218 · Structure no. 000000000014575
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 898 ft
- 6 main spans
- Daily traffic
- 14,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 57 over Cedar River is a steel continuous stringer/multi-beam or girder carrying Ia 57 over Cedar River in Black Hawk County, Iowa. It was built in 1974, so it is 51 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 14,300 vehicles a day, roughly 3% of them trucks, projected to reach 14,300 by 2043. The structure is 898 ft (273.7 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 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 57 over Cedar River built?
It was built in 1974, making it 51 years old in 2025.
What condition is Ia 57 over Cedar 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 August 2023.
How much traffic does Ia 57 over Cedar River carry?
About 14,300 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Ia 57 over Cedar River?
The structure is 898 ft (273.7 m) long with a longest span of 160 ft (48.8 m) and a deck 73 ft wide.
Who owns Ia 57 over Cedar River?
It is owned by the State Highway Agency.