Is 70 W over Mo 23
FairLafayette County, Missouri · S 33 T 49 N R 24 W · Structure no. 89
- Built
- 1963
- 62 years old, rebuilt 1988
- Condition
- Fair
- inspected January 2025
- Type
- Slab
- Concrete Continuous
- Length
- 151 ft
- 3 main spans
- Daily traffic
- 15,239
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 70 W over Mo 23 is a concrete continuous slab carrying Is 70 W over Mo 23 in Lafayette County, Missouri. It was built in 1963 and reconstructed in 1988, 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 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 15,239 vehicles a day, roughly 35% of them trucks, projected to reach 28,192 by 2044. The structure is 151 ft (46 m) long and 39 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 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 70 W over Mo 23 built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1988.
What condition is Is 70 W over Mo 23 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 Is 70 W over Mo 23 carry?
About 15,239 vehicles per day (2024 count), of which roughly 35% are trucks.
How long is Is 70 W over Mo 23?
The structure is 151 ft (46 m) long with a longest span of 60 ft (18.3 m) and a deck 39 ft wide.
Who owns Is 70 W over Mo 23?
It is owned by the State Highway Agency.