W 1st Street over Rock Creek
GoodPolk County, Iowa · 080242105 · Structure no. 000000000504910
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 138 ft
- 1 main span
- Daily traffic
- 4,709
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
W 1st Street over Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying W 1st Street over Rock Creek in Polk County, Iowa. It was built in 2007, so it is 18 years old, younger than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 4,709 vehicles a day, roughly 2% of them trucks, projected to reach 4,709 by 2044. The structure is 138 ft (42.1 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was W 1st Street over Rock Creek built?
It was built in 2007, making it 18 years old in 2025.
What condition is W 1st Street over Rock Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.
How much traffic does W 1st Street over Rock Creek carry?
About 4,709 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is W 1st Street over Rock Creek?
The structure is 138 ft (42.1 m) long with a longest span of 135 ft (41.1 m) and a deck 52 ft wide.
Who owns W 1st Street over Rock Creek?
It is owned by the City or Municipal Highway Agency.