Richardson RD E over Is 55
FairJefferson County, Missouri · S 31 T 43 N R 6 E · Structure no. 4400
- Built
- 1996
- 29 years old
- Condition
- Fair
- inspected November 2024
- Type
- Tee Beam
- Prestressed Concrete Continuous
- Length
- 473 ft
- 4 main spans
- Daily traffic
- 26,562
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Richardson RD E over Is 55 is a prestressed concrete continuous tee beam carrying Richardson RD E over Is 55 in Jefferson County, Missouri. It was built in 1996, so it is 29 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 26,562 vehicles a day, roughly 5% of them trucks, projected to reach 45,155 by 2044. The structure is 473 ft (144.2 m) long and 85 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Richardson RD E over Is 55 built?
It was built in 1996, making it 29 years old in 2025.
What condition is Richardson RD E over Is 55 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 November 2024.
How much traffic does Richardson RD E over Is 55 carry?
About 26,562 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Richardson RD E over Is 55?
The structure is 473 ft (144.2 m) long with a longest span of 125 ft (38 m) and a deck 85 ft wide.
Who owns Richardson RD E over Is 55?
It is owned by the State Highway Agency.