1870 Crane Ave over Boone River
PoorPosted for loadHancock County, Iowa · 095262106 · Structure no. 000000000173670
- Built
- 1925
- 100 years old
- Condition
- Poor
- inspected March 2024
- Type
- Girder and Floorbeam System
- Concrete
- Length
- 41 ft
- 1 main span
- Daily traffic
- 36
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
1870 Crane Ave over Boone River is a concrete girder and floorbeam system carrying 1870 Crane Ave over Boone River in Hancock County, Iowa. It was built in 1925, so it is 100 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 36 vehicles a day, projected to reach 36 by 2044. The structure is 41 ft (12.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 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 1870 Crane Ave over Boone River built?
It was built in 1925, making it 100 years old in 2025.
What condition is 1870 Crane Ave over Boone River 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 March 2024.
How much traffic does 1870 Crane Ave over Boone River carry?
About 36 vehicles per day (2021 count).
How long is 1870 Crane Ave over Boone River?
The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.
Who owns 1870 Crane Ave over Boone River?
It is owned by the County Highway Agency.