Old HWY 21 S over Mo 21
GoodJefferson County, Missouri · S 2 T 41 N R 4 E · Structure no. 32032
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 154 ft
- 1 main span
- Daily traffic
- 2,114
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Old HWY 21 S over Mo 21 is a steel stringer/multi-beam or girder carrying Old HWY 21 S over Mo 21 in Jefferson County, Missouri. It was built in 2007, so it is 18 years old, younger than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,114 vehicles a day, roughly 2% of them trucks, projected to reach 3,805 by 2044. The structure is 154 ft (47 m) long and 43 ft wide. If it were closed, the detour would be 10.6 mi (17 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old HWY 21 S over Mo 21 built?
It was built in 2007, making it 18 years old in 2025.
What condition is Old HWY 21 S over Mo 21 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.
How much traffic does Old HWY 21 S over Mo 21 carry?
About 2,114 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is Old HWY 21 S over Mo 21?
The structure is 154 ft (47 m) long with a longest span of 154 ft (47 m) and a deck 43 ft wide.
Who owns Old HWY 21 S over Mo 21?
It is owned by the State Highway Agency.