US 61 over Millrace Creek
FairLouisa County, Iowa · 5.9 MI S of S JCT Ia 92 · Structure no. 000000000033961
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 269 ft
- 4 main spans
- Daily traffic
- 4,950
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 61 over Millrace Creek is a prestressed concrete stringer/multi-beam or girder carrying US 61 over Millrace Creek in Louisa County, Iowa. It was built in 1985, so it is 40 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 4,950 vehicles a day, roughly 17% of them trucks, projected to reach 4,950 by 2042. The structure is 269 ft (82 m) long and 47 ft wide. If it were closed, the detour would be 16.2 mi (26 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 61 over Millrace Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is US 61 over Millrace Creek 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 April 2024.
How much traffic does US 61 over Millrace Creek carry?
About 4,950 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is US 61 over Millrace Creek?
The structure is 269 ft (82 m) long with a longest span of 69 ft (21 m) and a deck 47 ft wide.
Who owns US 61 over Millrace Creek?
It is owned by the State Highway Agency.