Old HWY 49 over Conway Slough
FairPosted for loadRankin County, Mississippi · Sec 23 T 5N R 1E B · Structure no. SA6100000000076
- Built
- 1939
- 86 years old
- Condition
- Fair
- inspected November 2024
- Type
- Tee Beam
- Concrete
- Length
- 150 ft
- 5 main spans
- Daily traffic
- 5,200
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Old HWY 49 over Conway Slough is a concrete tee beam carrying Old HWY 49 over Conway Slough in Rankin County, Mississippi. It was built in 1939, so it is 86 years old, older than the Mississippi average of 38.9 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 5,200 vehicles a day, roughly 8% of them trucks, projected to reach 7,800 by 2044. The structure is 150 ft (45.7 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old HWY 49 over Conway Slough built?
It was built in 1939, making it 86 years old in 2025.
What condition is Old HWY 49 over Conway Slough 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 November 2024.
How much traffic does Old HWY 49 over Conway Slough carry?
About 5,200 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is Old HWY 49 over Conway Slough?
The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.
Who owns Old HWY 49 over Conway Slough?
It is owned by the City or Municipal Highway Agency.