Mo 21 S over S Prong Lit Black
GoodRipley County, Missouri · S 11 T 24 N R 2 E · Structure no. 11952
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 224 ft
- 3 main spans
- Daily traffic
- 1,438
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 21 S over S Prong Lit Black is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 21 S over S Prong Lit Black in Ripley County, Missouri. It was built in 2000, so it is 25 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 1,438 vehicles a day, roughly 18% of them trucks, projected to reach 2,157 by 2044. The structure is 224 ft (68.3 m) long and 42 ft wide. If it were closed, the detour would be 18 mi (29 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mo 21 S over S Prong Lit Black built?
It was built in 2000, making it 25 years old in 2025.
What condition is Mo 21 S over S Prong Lit Black 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 January 2024.
How much traffic does Mo 21 S over S Prong Lit Black carry?
About 1,438 vehicles per day (2024 count), of which roughly 18% are trucks.
How long is Mo 21 S over S Prong Lit Black?
The structure is 224 ft (68.3 m) long with a longest span of 83 ft (25.2 m) and a deck 42 ft wide.
Who owns Mo 21 S over S Prong Lit Black?
It is owned by the State Highway Agency.