I 880 WB over UP RR & SR L-20
FairPottawattamie County, Iowa · 0.5 Mi. E of E Jct. I-29 · Structure no. 000000000044320
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 340 ft
- 6 main spans
- Daily traffic
- 3,150
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 880 WB over UP RR & SR L-20 is a steel continuous stringer/multi-beam or girder carrying I 880 WB over UP RR & SR L-20 in Pottawattamie County, Iowa. It was built in 1966, so it is 59 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 3,150 vehicles a day, roughly 34% of them trucks, projected to reach 3,150 by 2044. The structure is 340 ft (103.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 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 I 880 WB over UP RR & SR L-20 built?
It was built in 1966, making it 59 years old in 2025.
What condition is I 880 WB over UP RR & SR L-20 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 July 2024.
How much traffic does I 880 WB over UP RR & SR L-20 carry?
About 3,150 vehicles per day (2022 count), of which roughly 34% are trucks.
How long is I 880 WB over UP RR & SR L-20?
The structure is 340 ft (103.6 m) long with a longest span of 65 ft (19.8 m) and a deck 36 ft wide.
Who owns I 880 WB over UP RR & SR L-20?
It is owned by the State Highway Agency.