Local over Linn CR
PoorPosted for loadMarshall County, Iowa · 084203602 · Structure no. 000000000243940
- Built
- 1916
- 109 years old
- Condition
- Poor
- inspected November 2023
- Type
- Girder and Floorbeam System
- Concrete
- Length
- 42 ft
- 1 main span
- Daily traffic
- 157
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Local over Linn CR is a concrete girder and floorbeam system carrying Local over Linn CR in Marshall County, Iowa. It was built in 1916, so it is 109 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. Its operating status is: posted for load restriction.
It carries about 157 vehicles a day, projected to reach 157 by 2043. The structure is 42 ft (12.8 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 4 Poor | Advanced section loss, deterioration, 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. |
| 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 Local over Linn CR built?
It was built in 1916, making it 109 years old in 2025.
What condition is Local over Linn CR 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 November 2023.
How much traffic does Local over Linn CR carry?
About 157 vehicles per day (2022 count).
How long is Local over Linn CR?
The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 22 ft wide.
Who owns Local over Linn CR?
It is owned by the County Highway Agency.