NE 320th ST over Lit Smith CR
FairClinton County, Missouri · S 15 T 56 N R 31 W · Structure no. 15908
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected December 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 106 ft
- 3 main spans
- Daily traffic
- 10
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
NE 320th ST over Lit Smith CR is a prestressed concrete tee beam carrying NE 320th ST over Lit Smith CR in Clinton County, Missouri. It was built in 1984, so it is 41 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2043. The structure is 106 ft (32.3 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NE 320th ST over Lit Smith CR built?
It was built in 1984, making it 41 years old in 2025.
What condition is NE 320th ST over Lit Smith CR 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 December 2024.
How much traffic does NE 320th ST over Lit Smith CR carry?
About 10 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is NE 320th ST over Lit Smith CR?
The structure is 106 ft (32.3 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.
Who owns NE 320th ST over Lit Smith CR?
It is owned by the County Highway Agency.