Grade LN over North Fork Salt Rv
FairAdair County, Missouri · S 32 T 62 N R 15 W · Structure no. 21009
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected February 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 140 ft
- 3 main spans
- Daily traffic
- 10
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Grade LN over North Fork Salt Rv is a prestressed concrete tee beam carrying Grade LN over North Fork Salt Rv in Adair County, Missouri. It was built in 1989, so it is 36 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 11 by 2044. The structure is 140 ft (42.7 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 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 Grade LN over North Fork Salt Rv built?
It was built in 1989, making it 36 years old in 2025.
What condition is Grade LN over North Fork Salt Rv 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 February 2024.
How much traffic does Grade LN over North Fork Salt Rv carry?
About 10 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Grade LN over North Fork Salt Rv?
The structure is 140 ft (42.7 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.
Who owns Grade LN over North Fork Salt Rv?
It is owned by the County Highway Agency.