Rt B S over Is 70
FairPosted for loadBoone County, Missouri · S 6 T 48 N R 12 W · Structure no. 6180
- Built
- 1957
- 68 years old, rebuilt 1999
- Condition
- Fair
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 163 ft
- 4 main spans
- Daily traffic
- 17,640
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Rt B S over Is 70 is a concrete continuous slab carrying Rt B S over Is 70 in Boone County, Missouri. It was built in 1957 and reconstructed in 1999, so it is 68 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 17,640 vehicles a day, roughly 5% of them trucks, projected to reach 32,634 by 2044. The structure is 163 ft (49.7 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rt B S over Is 70 built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1999.
What condition is Rt B 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 September 2023.
How much traffic does Rt B S over Is 70 carry?
About 17,640 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Rt B S over Is 70?
The structure is 163 ft (49.7 m) long with a longest span of 44 ft (13.4 m) and a deck 68 ft wide.
Who owns Rt B S over Is 70?
It is owned by the State Highway Agency.