570 TH Road over Chalk Run CR
PoorPosted for loadGentry County, Missouri · S 19 T 64 N R 30 W · Structure no. 16592
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 31 ft
- 1 main span
- Daily traffic
- 5
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
570 TH Road over Chalk Run CR is a steel stringer/multi-beam or girder carrying 570 TH Road over Chalk Run CR in Gentry County, Missouri. It was built in 1940, so it is 85 years old, older than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 31 ft (9.4 m) long and 12 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 570 TH Road over Chalk Run CR built?
It was built in 1940, making it 85 years old in 2025.
What condition is 570 TH Road over Chalk Run CR in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2023.
How much traffic does 570 TH Road over Chalk Run CR carry?
About 5 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is 570 TH Road over Chalk Run CR?
The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 12 ft wide.
Who owns 570 TH Road over Chalk Run CR?
It is owned by the County Highway Agency.