Rt a E over Mo 21
FairJefferson County, Missouri · S 34 T 41 N R 4 E · Structure no. 29648
- Built
- 2003
- 22 years old
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 303 ft
- 2 main spans
- Daily traffic
- 7,657
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Rt a E over Mo 21 is a steel continuous stringer/multi-beam or girder carrying Rt a E over Mo 21 in Jefferson County, Missouri. It was built in 2003, so it is 22 years old, younger 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 7,657 vehicles a day, roughly 5% of them trucks, projected to reach 13,017 by 2044. The structure is 303 ft (92.4 m) long and 95 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rt a E over Mo 21 built?
It was built in 2003, making it 22 years old in 2025.
What condition is Rt a E over Mo 21 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 December 2024.
How much traffic does Rt a E over Mo 21 carry?
About 7,657 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Rt a E over Mo 21?
The structure is 303 ft (92.4 m) long with a longest span of 126 ft (38.4 m) and a deck 95 ft wide.
Who owns Rt a E over Mo 21?
It is owned by the State Highway Agency.