US 169 over Twelve Mile Creek
FairUnion County, Iowa · 1.6 Mi. S of S Jct. US 34 · Structure no. 000000000050110
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 179 ft
- 3 main spans
- Daily traffic
- 1,290
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 169 over Twelve Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying US 169 over Twelve Mile Creek in Union County, Iowa. It was built in 1969, so it is 56 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 1,290 vehicles a day, roughly 19% of them trucks, projected to reach 1,290 by 2042. The structure is 179 ft (54.6 m) long and 47 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 169 over Twelve Mile Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is US 169 over Twelve Mile 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 June 2023.
How much traffic does US 169 over Twelve Mile Creek carry?
About 1,290 vehicles per day (2022 count), of which roughly 19% are trucks.
How long is US 169 over Twelve Mile Creek?
The structure is 179 ft (54.6 m) long with a longest span of 69 ft (21 m) and a deck 47 ft wide.
Who owns US 169 over Twelve Mile Creek?
It is owned by the State Highway Agency.