Mo 21 S over Lit Black Rvr
GoodCarter County, Missouri · S 11 T 25 N R 2 E · Structure no. 33587
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected December 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 113 ft
- 3 main spans
- Daily traffic
- 837
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 21 S over Lit Black Rvr is a prestressed concrete box beam or girders - single or spread carrying Mo 21 S over Lit Black Rvr in Carter County, Missouri. It was built in 2011, so it is 14 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 837 vehicles a day, roughly 18% of them trucks, projected to reach 1,256 by 2044. The structure is 113 ft (34.3 m) long and 28 ft wide. If it were closed, the detour would be 28 mi (45 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 | 8 Very Good | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 Lit Black Rvr built?
It was built in 2011, making it 14 years old in 2025.
What condition is Mo 21 S over Lit Black Rvr 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 2023.
How much traffic does Mo 21 S over Lit Black Rvr carry?
About 837 vehicles per day (2024 count), of which roughly 18% are trucks.
How long is Mo 21 S over Lit Black Rvr?
The structure is 113 ft (34.3 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.
Who owns Mo 21 S over Lit Black Rvr?
It is owned by the State Highway Agency.