US 169 over US 30
FairBoone County, Iowa · At Junction With US 30 · Structure no. 000000000015260
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 261 ft
- 4 main spans
- Daily traffic
- 3,570
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 169 over US 30 is a prestressed concrete stringer/multi-beam or girder carrying US 169 over US 30 in Boone County, Iowa. It was built in 1971, so it is 54 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 5 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 3,570 vehicles a day, roughly 7% of them trucks, projected to reach 3,570 by 2044. The structure is 261 ft (79.6 m) long and 47 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 169 over US 30 built?
It was built in 1971, making it 54 years old in 2025.
What condition is US 169 over US 30 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 February 2024.
How much traffic does US 169 over US 30 carry?
About 3,570 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is US 169 over US 30?
The structure is 261 ft (79.6 m) long with a longest span of 82 ft (25 m) and a deck 47 ft wide.
Who owns US 169 over US 30?
It is owned by the State Highway Agency.