40th ST over Unnamed Creek
FairFayette County, Iowa · 091102201 · Structure no. 000000000149980
- Built
- 1925
- 100 years old, rebuilt 1968
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 314
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
40th ST over Unnamed Creek is a concrete slab carrying 40th ST over Unnamed Creek in Fayette County, Iowa. It was built in 1925 and reconstructed in 1968, so it is 100 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 314 vehicles a day, roughly 21% of them trucks, projected to reach 314 by 2044. The structure is 24 ft (7.3 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 40th ST over Unnamed Creek built?
It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1968.
What condition is 40th ST over Unnamed 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 October 2024.
How much traffic does 40th ST over Unnamed Creek carry?
About 314 vehicles per day (2022 count), of which roughly 21% are trucks.
How long is 40th ST over Unnamed Creek?
The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 34 ft wide.
Who owns 40th ST over Unnamed Creek?
It is owned by the County Highway Agency.