Mo 30 W over Mo 141
FairSt. Louis County, Missouri · S 373 T 44 N R 5 E · Structure no. 1899
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected June 2024
- Type
- Box Beam or Girders - Single or Spread
- Concrete Continuous
- Length
- 215 ft
- 3 main spans
- Daily traffic
- 22,165
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 30 W over Mo 141 is a concrete continuous box beam or girders - single or spread carrying Mo 30 W over Mo 141 in St. Louis County, Missouri. It was built in 1970, so it is 55 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 22,165 vehicles a day, roughly 5% of them trucks, projected to reach 27,706 by 2044. The structure is 215 ft (65.5 m) long and 41 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mo 30 W over Mo 141 built?
It was built in 1970, making it 55 years old in 2025.
What condition is Mo 30 W over Mo 141 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 June 2024.
How much traffic does Mo 30 W over Mo 141 carry?
About 22,165 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Mo 30 W over Mo 141?
The structure is 215 ft (65.5 m) long with a longest span of 106 ft (32.3 m) and a deck 41 ft wide.
Who owns Mo 30 W over Mo 141?
It is owned by the State Highway Agency.