Mo 13 S over Is 70
FairLafayette County, Missouri · S 36 T 49 N R 26 W · Structure no. 3764
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 225 ft
- 4 main spans
- Daily traffic
- 7,896
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 13 S over Is 70 is a steel continuous stringer/multi-beam or girder carrying Mo 13 S over Is 70 in Lafayette County, Missouri. It was built in 1990, so it is 35 years old, younger than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 7,896 vehicles a day, roughly 22% of them trucks, projected to reach 14,608 by 2044. The structure is 225 ft (68.6 m) long and 70 ft wide. If it were closed, the detour would be 8.1 mi (13 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mo 13 S over Is 70 built?
It was built in 1990, making it 35 years old in 2025.
What condition is Mo 13 S over Is 70 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.
How much traffic does Mo 13 S over Is 70 carry?
About 7,896 vehicles per day (2024 count), of which roughly 22% are trucks.
How long is Mo 13 S over Is 70?
The structure is 225 ft (68.6 m) long with a longest span of 76 ft (23.2 m) and a deck 70 ft wide.
Who owns Mo 13 S over Is 70?
It is owned by the State Highway Agency.