Thornleigh RD over Small CR
FairPosted for loadPettis County, Missouri · S 21 T 46 N R 21 W · Structure no. 16304
- Built
- 1925
- 100 years old, rebuilt 1995
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 29 ft
- 1 main span
- Daily traffic
- 20
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Thornleigh RD over Small CR is a steel stringer/multi-beam or girder carrying Thornleigh RD over Small CR in Pettis County, Missouri. It was built in 1925 and reconstructed in 1995, so it is 100 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 34 by 2044. The structure is 29 ft (8.8 m) long and 12 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Thornleigh RD over Small CR built?
It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1995.
What condition is Thornleigh RD over Small 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 February 2024.
How much traffic does Thornleigh RD over Small CR carry?
About 20 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Thornleigh RD over Small CR?
The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 12 ft wide.
Who owns Thornleigh RD over Small CR?
It is owned by the County Highway Agency.