State Highway 309 over Six Mile Canal-Logan Co.
PoorPosted for loadLogan County, Arkansas · 1.5 MI SE JCT SH 288-309 · Structure no. 000000000003975
- Built
- 1966
- 59 years old
- Condition
- Poor
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 268 ft
- 5 main spans
- Daily traffic
- 1,300
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
State Highway 309 over Six Mile Canal-Logan Co. is a steel stringer/multi-beam or girder carrying State Highway 309 over Six Mile Canal-Logan Co. in Logan County, Arkansas. It was built in 1966, so it is 59 years old, older than the Arkansas 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 1,300 vehicles a day, roughly 13% of them trucks, projected to reach 1,611 by 2028. The structure is 268 ft (81.7 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 State Highway 309 over Six Mile Canal-Logan Co. built?
It was built in 1966, making it 59 years old in 2025.
What condition is State Highway 309 over Six Mile Canal-Logan Co. 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 June 2024.
How much traffic does State Highway 309 over Six Mile Canal-Logan Co. carry?
About 1,300 vehicles per day (2018 count), of which roughly 13% are trucks.
How long is State Highway 309 over Six Mile Canal-Logan Co.?
The structure is 268 ft (81.7 m) long with a longest span of 73 ft (22.3 m) and a deck 30 ft wide.
Who owns State Highway 309 over Six Mile Canal-Logan Co.?
It is owned by the State Highway Agency.