US Bridges

I0510 over I-10

Good

Orleans Parish, Louisiana · 1.2 M S. L.Pontchartrain · Structure no. 023604504305342

Built
1967
58 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
713 ft
2 main spans
Daily traffic
29,280
2021 count
Owner
State
State Highway Agency

About this bridge

I0510 over I-10 is a steel continuous stringer/multi-beam or girder carrying I0510 over I-10 in Orleans Parish, Louisiana. It was built in 1967, so it is 58 years old, older 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 29,280 vehicles a day, roughly 25% of them trucks, projected to reach 32,208 by 2041. The structure is 713 ft (217.3 m) long and 89 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesI0510
CrossesI-10
Location1.2 M S. L.Pontchartrain
RouteInterstate 510
Coordinates30.06095, -89.93956
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating46 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+9 approach)
Design loadHS 20
Structure length713 ft (217.3 m)
Longest span93 ft (28.3 m)
Deck width89 ft (27.1 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic29,280 (2021)
Projected traffic32,208 by 2041
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0510 over I-10 built?

It was built in 1967, making it 58 years old in 2025.

What condition is I0510 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 November 2024.

How much traffic does I0510 over I-10 carry?

About 29,280 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I0510 over I-10?

The structure is 713 ft (217.3 m) long with a longest span of 93 ft (28.3 m) and a deck 89 ft wide.

Who owns I0510 over I-10?

It is owned by the State Highway Agency.