US Bridges

Lake Forest Blvd over Jahncke Canal

Fair

Orleans Parish, Louisiana · 3 Miles West of I-510 · Structure no. 023600000020448

Built
1985
40 years old
Condition
Fair
inspected March 2023
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
—
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lake Forest Blvd over Jahncke Canal is a steel culvert carrying Lake Forest Blvd over Jahncke Canal in Orleans Parish, Louisiana. It was built in 1985, so it is 40 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.

No traffic count is recorded. The structure is 22 ft (6.7 m) long and 240 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesLake Forest Blvd
CrossesJahncke Canal
Location3 Miles West of I-510
RouteCounty Highway 0
CountyOrleans Parish
StateLouisiana
Coordinates30.03974, -89.95049
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width240 ft (73.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake Forest Blvd over Jahncke Canal built?

It was built in 1985, making it 40 years old in 2025.

What condition is Lake Forest Blvd over Jahncke Canal 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 March 2023.

How much traffic does Lake Forest Blvd over Jahncke Canal carry?

No traffic count is recorded for this structure.

How long is Lake Forest Blvd over Jahncke Canal?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 240 ft wide.

Who owns Lake Forest Blvd over Jahncke Canal?

It is owned by the City or Municipal Highway Agency.