US Bridges

Harrison Ave over City Park Lagoon

Fair

Orleans Parish, Louisiana · 0.4MI.W.OF Wisner Bl · Structure no. 023630002900571

Built
1939
86 years old
Condition
Fair
inspected April 2023
Type
Arch - Deck
Concrete
Length
31 ft
1 main span
Daily traffic
—
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harrison Ave over City Park Lagoon is a concrete arch - deck carrying Harrison Ave over City Park Lagoon in Orleans Parish, Louisiana. It was built in 1939, so it is 86 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

No traffic count is recorded. The structure is 31 ft (9.4 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesHarrison Ave
CrossesCity Park Lagoon
Location0.4MI.W.OF Wisner Bl
RouteCounty Highway 0
CountyOrleans Parish
StateLouisiana
Coordinates30.00282, -90.09477
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Harrison Ave over City Park Lagoon built?

It was built in 1939, making it 86 years old in 2025.

What condition is Harrison Ave over City Park Lagoon 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 April 2023.

How much traffic does Harrison Ave over City Park Lagoon carry?

No traffic count is recorded for this structure.

How long is Harrison Ave over City Park Lagoon?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 42 ft wide.

Who owns Harrison Ave over City Park Lagoon?

It is owned by the City or Municipal Highway Agency.