US 90 over Biloxi Bay
GoodHarrison County, Mississippi · Harrison/Jackson Cl · Structure no. 21000900240494A
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 8,766 ft
- 1 main span
- Daily traffic
- 12,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 90 over Biloxi Bay is a prestressed concrete continuous stringer/multi-beam or girder carrying US 90 over Biloxi Bay in Harrison County, Mississippi. It was built in 2008, so it is 17 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 12,500 vehicles a day, roughly 1% of them trucks, projected to reach 12,500 by 2043. The structure is 8,766 ft (2,671.8 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| 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 US 90 over Biloxi Bay built?
It was built in 2008, making it 17 years old in 2025.
What condition is US 90 over Biloxi Bay 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 July 2024.
How much traffic does US 90 over Biloxi Bay carry?
About 12,500 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is US 90 over Biloxi Bay?
The structure is 8,766 ft (2,671.8 m) long with a longest span of 250 ft (76.2 m) and a deck 60 ft wide.
Who owns US 90 over Biloxi Bay?
It is owned by the State Highway Agency.