Mo 131 S over Is 70
PoorLafayette County, Missouri · S 35 T 49 N R 29 W · Structure no. 45
- Built
- 1963
- 62 years old
- Condition
- Poor
- inspected January 2025
- Type
- Slab
- Concrete Continuous
- Length
- 221 ft
- 4 main spans
- Daily traffic
- 7,100
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 131 S over Is 70 is a concrete continuous slab carrying Mo 131 S over Is 70 in Lafayette County, Missouri. It was built in 1963, so it is 62 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 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.
It carries about 7,100 vehicles a day, roughly 9% of them trucks, projected to reach 10,295 by 2044. The structure is 221 ft (67.4 m) long and 31 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mo 131 S over Is 70 built?
It was built in 1963, making it 62 years old in 2025.
What condition is Mo 131 S over Is 70 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 2025.
How much traffic does Mo 131 S over Is 70 carry?
About 7,100 vehicles per day (2024 count), of which roughly 9% are trucks.
How long is Mo 131 S over Is 70?
The structure is 221 ft (67.4 m) long with a longest span of 65 ft (19.8 m) and a deck 31 ft wide.
Who owns Mo 131 S over Is 70?
It is owned by the State Highway Agency.