Rt a E over Crd State HWY 21A Old U
FairJefferson County, Missouri · S 910 T 40 N R 5 E · Structure no. 2489
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 219 ft
- 4 main spans
- Daily traffic
- 14,556
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Rt a E over Crd State HWY 21A Old U is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt a E over Crd State HWY 21A Old U in Jefferson County, Missouri. It was built in 1974, so it is 51 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 14,556 vehicles a day, roughly 4% of them trucks, projected to reach 24,745 by 2044. The structure is 219 ft (66.8 m) long and 47 ft wide. If it were closed, the detour would be 23 mi (37 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 Rt a E over Crd State HWY 21A Old U built?
It was built in 1974, making it 51 years old in 2025.
What condition is Rt a E over Crd State HWY 21A Old U 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 Rt a E over Crd State HWY 21A Old U carry?
About 14,556 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Rt a E over Crd State HWY 21A Old U?
The structure is 219 ft (66.8 m) long with a longest span of 62 ft (18.9 m) and a deck 47 ft wide.
Who owns Rt a E over Crd State HWY 21A Old U?
It is owned by the State Highway Agency.