US Bridges

LA0045 over 16 TH Street Canal

Good

Jefferson Parish, Louisiana · 0.8 MI South of US 90B · Structure no. 022602490101071

Built
1973
52 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
28,780
2021 count
Owner
State
State Highway Agency

About this bridge

LA0045 over 16 TH Street Canal is a concrete culvert carrying LA0045 over 16 TH Street Canal in Jefferson Parish, Louisiana. It was built in 1973, so it is 52 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 28,780 vehicles a day, roughly 10% of them trucks, projected to reach 31,658 by 2041. The structure is 25 ft (7.6 m) long and 645 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA0045
Crosses16 TH Street Canal
Location0.8 MI South of US 90B
RouteState Highway 45
Coordinates29.8837, -90.09898
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width645 ft (196.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,780 (2021)
Projected traffic31,658 by 2041
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0045 over 16 TH Street Canal built?

It was built in 1973, making it 52 years old in 2025.

What condition is LA0045 over 16 TH Street Canal 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 September 2023.

How much traffic does LA0045 over 16 TH Street Canal carry?

About 28,780 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0045 over 16 TH Street Canal?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m) and a deck 645 ft wide.

Who owns LA0045 over 16 TH Street Canal?

It is owned by the State Highway Agency.