Walnut ST over Little Wapsipinicon Rvr
PoorPosted for loadBremer County, Iowa · 093112504 · Structure no. 000000000011220
- Built
- 1968
- 57 years old
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 182 ft
- 3 main spans
- Daily traffic
- 707
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Walnut ST over Little Wapsipinicon Rvr is a prestressed concrete stringer/multi-beam or girder carrying Walnut ST over Little Wapsipinicon Rvr in Bremer County, Iowa. It was built in 1968, so it is 57 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 3 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. Its operating status is: posted for load restriction.
It carries about 707 vehicles a day, roughly 10% of them trucks, projected to reach 707 by 2044. The structure is 182 ft (55.5 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Walnut ST over Little Wapsipinicon Rvr built?
It was built in 1968, making it 57 years old in 2025.
What condition is Walnut ST over Little Wapsipinicon Rvr 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 April 2024.
How much traffic does Walnut ST over Little Wapsipinicon Rvr carry?
About 707 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is Walnut ST over Little Wapsipinicon Rvr?
The structure is 182 ft (55.5 m) long with a longest span of 68 ft (20.7 m) and a deck 30 ft wide.
Who owns Walnut ST over Little Wapsipinicon Rvr?
It is owned by the City or Municipal Highway Agency.