170th ST over Creek
FairScott County, Iowa · 078E22101 · Structure no. 000000000302221
- Built
- 1993
- 32 years old
- Condition
- Fair
- inspected April 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 37 ft
- 1 main span
- Daily traffic
- 25
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
170th ST over Creek is a prestressed concrete tee beam carrying 170th ST over Creek in Scott County, Iowa. It was built in 1993, so it is 32 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 25 vehicles a day, roughly 8% of them trucks, projected to reach 25 by 2043. The structure is 37 ft (11.3 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 170th ST over Creek built?
It was built in 1993, making it 32 years old in 2025.
What condition is 170th ST over 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 2023.
How much traffic does 170th ST over Creek carry?
About 25 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is 170th ST over Creek?
The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 29 ft wide.
Who owns 170th ST over Creek?
It is owned by the County Highway Agency.