Mo 139 S over Parson CR
PoorPosted for loadLinn County, Missouri · S 31 T 59 N R 21 W · Structure no. 9100
- Built
- 1933
- 92 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 79 ft
- 2 main spans
- Daily traffic
- 203
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 139 S over Parson CR is a steel stringer/multi-beam or girder carrying Mo 139 S over Parson CR in Linn County, Missouri. It was built in 1933, so it is 92 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 203 vehicles a day, roughly 22% of them trucks, projected to reach 254 by 2044. The structure is 79 ft (24.1 m) long and 21 ft wide. If it were closed, the detour would be 13 mi (21 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Mo 139 S over Parson CR built?
It was built in 1933, making it 92 years old in 2025.
What condition is Mo 139 S over Parson 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 September 2024.
How much traffic does Mo 139 S over Parson CR carry?
About 203 vehicles per day (2024 count), of which roughly 22% are trucks.
How long is Mo 139 S over Parson CR?
The structure is 79 ft (24.1 m) long with a longest span of 49 ft (14.8 m) and a deck 21 ft wide.
Who owns Mo 139 S over Parson CR?
It is owned by the State Highway Agency.