South Expressway over Viaduct(rr & Streets)
PoorPottawattamie County, Iowa · 1.1 Mi. N of I-80 · Structure no. 000000000500230
- Built
- 1976
- 49 years old
- Condition
- Poor
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 2,649 ft
- 6 main spans
- Daily traffic
- 7,488
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
South Expressway over Viaduct(rr & Streets) is a steel continuous stringer/multi-beam or girder carrying South Expressway over Viaduct(rr & Streets) in Pottawattamie County, Iowa. It was built in 1976, so it is 49 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 7,488 vehicles a day, roughly 3% of them trucks, projected to reach 7,488 by 2044. The structure is 2,649 ft (807.4 m) long and 36 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was South Expressway over Viaduct(rr & Streets) built?
It was built in 1976, making it 49 years old in 2025.
What condition is South Expressway over Viaduct(rr & Streets) in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does South Expressway over Viaduct(rr & Streets) carry?
About 7,488 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is South Expressway over Viaduct(rr & Streets)?
The structure is 2,649 ft (807.4 m) long with a longest span of 136 ft (41.5 m) and a deck 36 ft wide.
Who owns South Expressway over Viaduct(rr & Streets)?
It is owned by the City or Municipal Highway Agency.