SW 8th ST over RR Cherry Mlk Jr Pkwy
PoorPolk County, Iowa · 078240900 · Structure no. 000000000003974
- Built
- 1967
- 58 years old, rebuilt 2006
- Condition
- Poor
- inspected July 2023
- Type
- Girder and Floorbeam System
- Steel Continuous
- Length
- 1,515 ft
- 3 main spans
- Daily traffic
- 6,875
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
SW 8th ST over RR Cherry Mlk Jr Pkwy is a steel continuous girder and floorbeam system carrying SW 8th ST over RR Cherry Mlk Jr Pkwy in Polk County, Iowa. It was built in 1967 and reconstructed in 2006, so it is 58 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 6,875 vehicles a day, roughly 1% of them trucks, projected to reach 6,875 by 2043. The structure is 1,515 ft (461.8 m) long and 31 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 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 SW 8th ST over RR Cherry Mlk Jr Pkwy built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2006.
What condition is SW 8th ST over RR Cherry Mlk Jr Pkwy 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 July 2023.
How much traffic does SW 8th ST over RR Cherry Mlk Jr Pkwy carry?
About 6,875 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is SW 8th ST over RR Cherry Mlk Jr Pkwy?
The structure is 1,515 ft (461.8 m) long with a longest span of 157 ft (47.9 m) and a deck 31 ft wide.
Who owns SW 8th ST over RR Cherry Mlk Jr Pkwy?
It is owned by the City or Municipal Highway Agency.