Mo 115 N over Is 70
FairSt. Louis County, Missouri · S 9 T 46 N R 6 E · Structure no. 6527
- Built
- 1958
- 67 years old, rebuilt 2004
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 205 ft
- 3 main spans
- Daily traffic
- 4,982
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 115 N over Is 70 is a steel continuous stringer/multi-beam or girder carrying Mo 115 N over Is 70 in St. Louis County, Missouri. It was built in 1958 and reconstructed in 2004, so it is 67 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.
It carries about 4,982 vehicles a day, roughly 3% of them trucks, projected to reach 6,975 by 2044. The structure is 205 ft (62.5 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| 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 Mo 115 N over Is 70 built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2004.
What condition is Mo 115 N 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 2024.
How much traffic does Mo 115 N over Is 70 carry?
About 4,982 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is Mo 115 N over Is 70?
The structure is 205 ft (62.5 m) long with a longest span of 80 ft (24.4 m) and a deck 33 ft wide.
Who owns Mo 115 N over Is 70?
It is owned by the State Highway Agency.