WB US 20 over Pine Creek
GoodBuchanan County, Iowa · 1.6 Mi. W of Jct. SR W40 · Structure no. 000000000603645
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 246 ft
- 3 main spans
- Daily traffic
- 4,150
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
WB US 20 over Pine Creek is a prestressed concrete stringer/multi-beam or girder carrying WB US 20 over Pine Creek in Buchanan County, Iowa. It was built in 1978, so it is 47 years old, older 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 4,150 vehicles a day, roughly 25% of them trucks, projected to reach 4,150 by 2043. The structure is 246 ft (75 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was WB US 20 over Pine Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is WB US 20 over Pine 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 January 2023.
How much traffic does WB US 20 over Pine Creek carry?
About 4,150 vehicles per day (2022 count), of which roughly 25% are trucks.
How long is WB US 20 over Pine Creek?
The structure is 246 ft (75 m) long with a longest span of 82 ft (25 m) and a deck 44 ft wide.
Who owns WB US 20 over Pine Creek?
It is owned by the State Highway Agency.