Old HWY 49 over Big Biloxi River
FairHarrison County, Mississippi · Sec 31 T 5S R11W · Structure no. SA2400000000021
- Built
- 1940
- 85 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 280 ft
- 6 main spans
- Daily traffic
- 1,000
- 2009 count
- Owner
- County
- County Highway Agency
About this bridge
Old HWY 49 over Big Biloxi River is a prestressed concrete stringer/multi-beam or girder carrying Old HWY 49 over Big Biloxi River in Harrison County, Mississippi. It was built in 1940, so it is 85 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 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 1,000 vehicles a day, roughly 8% of them trucks, projected to reach 1,500 by 2042. The structure is 280 ft (85.3 m) long and 29 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old HWY 49 over Big Biloxi River built?
It was built in 1940, making it 85 years old in 2025.
What condition is Old HWY 49 over Big Biloxi River 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 March 2023.
How much traffic does Old HWY 49 over Big Biloxi River carry?
About 1,000 vehicles per day (2009 count), of which roughly 8% are trucks.
How long is Old HWY 49 over Big Biloxi River?
The structure is 280 ft (85.3 m) long with a longest span of 80 ft (24.4 m) and a deck 29 ft wide.
Who owns Old HWY 49 over Big Biloxi River?
It is owned by the County Highway Agency.