Back Bay Blvd over Bay Bayou
GoodHarrison County, Mississippi · Sec 33 T 7S R 9W · Structure no. SA2400000000186
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 200 ft
- 5 main spans
- Daily traffic
- 2,000
- 2012 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Back Bay Blvd over Bay Bayou is a prestressed concrete stringer/multi-beam or girder carrying Back Bay Blvd over Bay Bayou in Harrison County, Mississippi. It was built in 2003, so it is 22 years old, younger than the Mississippi average of 38.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,000 vehicles a day, roughly 8% of them trucks, projected to reach 3,500 by 2032. The structure is 200 ft (61 m) long and 77 ft wide. If it were closed, the detour would be 49.7 mi (80 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Back Bay Blvd over Bay Bayou built?
It was built in 2003, making it 22 years old in 2025.
What condition is Back Bay Blvd over Bay Bayou in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.
How much traffic does Back Bay Blvd over Bay Bayou carry?
About 2,000 vehicles per day (2012 count), of which roughly 8% are trucks.
How long is Back Bay Blvd over Bay Bayou?
The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 77 ft wide.
Who owns Back Bay Blvd over Bay Bayou?
It is owned by the City or Municipal Highway Agency.