S Mill Crk RD 509 over Mill CR
FairLincoln County, Missouri · S 7 T 50 N R 1 W · Structure no. 16365
- Built
- 1995
- 30 years old
- Condition
- Fair
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 63 ft
- 1 main span
- Daily traffic
- 50
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
S Mill Crk RD 509 over Mill CR is a prestressed concrete box beam or girders - multiple carrying S Mill Crk RD 509 over Mill CR in Lincoln County, Missouri. It was built in 1995, so it is 30 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2043. The structure is 63 ft (19.2 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S Mill Crk RD 509 over Mill CR built?
It was built in 1995, making it 30 years old in 2025.
What condition is S Mill Crk RD 509 over Mill 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 April 2024.
How much traffic does S Mill Crk RD 509 over Mill CR carry?
About 50 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is S Mill Crk RD 509 over Mill CR?
The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.
Who owns S Mill Crk RD 509 over Mill CR?
It is owned by the County Highway Agency.