Michigan ST over Unnamed CR
PoorClosed to trafficMacon County, Missouri · S 18 T 58 N R 13 W · Structure no. 19205
- Built
- 1925
- 100 years old
- Condition
- Poor
- inspected December 2019
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 15
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Michigan ST over Unnamed CR is a steel stringer/multi-beam or girder carrying Michigan ST over Unnamed CR in Macon County, Missouri. It was built in 1925, so it is 100 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: closed to all traffic.
It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 23 ft (7 m) long and 14 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Michigan ST over Unnamed CR built?
It was built in 1925, making it 100 years old in 2025.
What condition is Michigan ST over Unnamed 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 December 2019.
How much traffic does Michigan ST over Unnamed CR carry?
About 15 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Michigan ST over Unnamed CR?
The structure is 23 ft (7 m) long with a longest span of 13 ft (4.1 m) and a deck 14 ft wide.
Who owns Michigan ST over Unnamed CR?
It is owned by the County Highway Agency.