Nishna ST over Small Creek
FairCass County, Iowa · 000000000 · Structure no. 000000000500140
- Built
- 1983
- 42 years old, rebuilt 2009
- Condition
- Fair
- inspected October 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 20 ft
- 1 main span
- Daily traffic
- 101
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Nishna ST over Small Creek is a prestressed concrete tee beam carrying Nishna ST over Small Creek in Cass County, Iowa. It was built in 1983 and reconstructed in 2009, so it is 42 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 101 vehicles a day, roughly 26% of them trucks, projected to reach 101 by 2044. The structure is 20 ft (6.1 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nishna ST over Small Creek built?
It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2009.
What condition is Nishna ST over Small 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 Nishna ST over Small Creek carry?
About 101 vehicles per day (2022 count), of which roughly 26% are trucks.
How long is Nishna ST over Small Creek?
The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.
Who owns Nishna ST over Small Creek?
It is owned by the City or Municipal Highway Agency.