US Bridges

I0510 over City Streets

Fair

Orleans Parish, Louisiana · 1.0M North of US 90 · Structure no. 023604504301851

Built
1992
33 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
4,323 ft
57 main spans
Daily traffic
10,794
2021 count
Owner
State
State Highway Agency

About this bridge

I0510 over City Streets is a prestressed concrete continuous stringer/multi-beam or girder carrying I0510 over City Streets in Orleans Parish, Louisiana. It was built in 1992, so it is 33 years old, younger than the Louisiana average of 43 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 10,794 vehicles a day, roughly 25% of them trucks, projected to reach 11,873 by 2041. The structure is 4,323 ft (1,317.7 m) long and 43 ft wide.

CarriesI0510
CrossesCity Streets
Location1.0M North of US 90
RouteInterstate 510
Coordinates30.04066, -89.93928
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating29.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans57 (+4 approach)
Design loadHS 20
Structure length4,323 ft (1,317.7 m)
Longest span80 ft (24.4 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,794 (2021)
Projected traffic11,873 by 2041
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 City Streets built?

It was built in 1992, making it 33 years old in 2025.

What condition is I0510 over City Streets 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 December 2024.

How much traffic does I0510 over City Streets carry?

About 10,794 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I0510 over City Streets?

The structure is 4,323 ft (1,317.7 m) long with a longest span of 80 ft (24.4 m) and a deck 43 ft wide.

Who owns I0510 over City Streets?

It is owned by the State Highway Agency.