120 Street over West Nishnabotna River
FairFremont County, Iowa · 070411703 · Structure no. 000000000025531
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 392 ft
- 4 main spans
- Daily traffic
- 1,085
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
120 Street over West Nishnabotna River is a prestressed concrete stringer/multi-beam or girder carrying 120 Street over West Nishnabotna River in Fremont County, Iowa. It was built in 1974, so it is 51 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 1,085 vehicles a day, roughly 9% of them trucks, projected to reach 1,085 by 2043. The structure is 392 ft (119.5 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| 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 120 Street over West Nishnabotna River built?
It was built in 1974, making it 51 years old in 2025.
What condition is 120 Street over West Nishnabotna River 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 120 Street over West Nishnabotna River carry?
About 1,085 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is 120 Street over West Nishnabotna River?
The structure is 392 ft (119.5 m) long with a longest span of 96 ft (29.3 m) and a deck 35 ft wide.
Who owns 120 Street over West Nishnabotna River?
It is owned by the County Highway Agency.