Linn ST over Unnamed Str
PoorPosted for loadMacon County, Missouri · S 15 T 57 N R 15 W · Structure no. 13339
- Built
- 1938
- 87 years old
- Condition
- Poor
- inspected January 2024
- Type
- Slab
- Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 100
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Linn ST over Unnamed Str is a concrete slab carrying Linn ST over Unnamed Str in Macon County, Missouri. It was built in 1938, so it is 87 years old, older than the Missouri average of 45.1 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 110 by 2044. The structure is 30 ft (9.1 m) long and 20 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 4 Poor | Advanced section loss, deterioration, 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 Linn ST over Unnamed Str built?
It was built in 1938, making it 87 years old in 2025.
What condition is Linn ST over Unnamed Str 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 January 2024.
How much traffic does Linn ST over Unnamed Str carry?
About 100 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Linn ST over Unnamed Str?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.
Who owns Linn ST over Unnamed Str?
It is owned by the County Highway Agency.