Oak Harbor Blvd over I-10
GoodSt. Tammany Parish, Louisiana · 1.0M N Lake Pontchartrain · Structure no. 625204501801001
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 1,135 ft
- 13 main spans
- Daily traffic
- 8,602
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Oak Harbor Blvd over I-10 is a prestressed concrete stringer/multi-beam or girder carrying Oak Harbor Blvd over I-10 in St. Tammany Parish, Louisiana. It was built in 1989, so it is 36 years old, younger than the Louisiana average of 43 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 8,602 vehicles a day, roughly 16% of them trucks, projected to reach 9,462 by 2038. The structure is 1,135 ft (345.9 m) long and 89 ft wide.
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 Oak Harbor Blvd over I-10 built?
It was built in 1989, making it 36 years old in 2025.
What condition is Oak Harbor Blvd over I-10 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 January 2024.
How much traffic does Oak Harbor Blvd over I-10 carry?
About 8,602 vehicles per day (2018 count), of which roughly 16% are trucks.
How long is Oak Harbor Blvd over I-10?
The structure is 1,135 ft (345.9 m) long with a longest span of 100 ft (30.5 m) and a deck 89 ft wide.
Who owns Oak Harbor Blvd over I-10?
It is owned by the State Highway Agency.