ST Charles RD E over Is 70
FairBoone County, Missouri · S 10 T 48 N R 12 W · Structure no. 6586
- Built
- 1957
- 68 years old, rebuilt 1991
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 192 ft
- 4 main spans
- Daily traffic
- 5,521
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
ST Charles RD E over Is 70 is a steel continuous stringer/multi-beam or girder carrying ST Charles RD E over Is 70 in Boone County, Missouri. It was built in 1957 and reconstructed in 1991, 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 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 5,521 vehicles a day, roughly 5% of them trucks, projected to reach 9,662 by 2044. The structure is 192 ft (58.5 m) long and 59 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was ST Charles RD E over Is 70 built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1991.
What condition is ST Charles RD E 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 ST Charles RD E over Is 70 carry?
About 5,521 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is ST Charles RD E over Is 70?
The structure is 192 ft (58.5 m) long with a longest span of 58 ft (17.7 m) and a deck 59 ft wide.
Who owns ST Charles RD E over Is 70?
It is owned by the State Highway Agency.