US Bridges

US0090 over Wax Lake Outlet

Fair

St. Mary Parish, Louisiana · 0.6 MI East of LA 182 · Structure no. 035104240522601

Built
1995
30 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,300 ft
13 main spans
Daily traffic
7,885
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over Wax Lake Outlet is a prestressed concrete continuous stringer/multi-beam or girder carrying US0090 over Wax Lake Outlet in St. Mary Parish, Louisiana. It was built in 1995, so it is 30 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 7,885 vehicles a day, roughly 14% of them trucks, projected to reach 8,673 by 2041. The structure is 1,300 ft (396.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0090
CrossesWax Lake Outlet
Location0.6 MI East of LA 182
RouteU.S. Route 90
Coordinates29.69929, -91.3754
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20
Structure length1,300 ft (396.2 m)
Longest span103 ft (31.4 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,885 (2021)
Projected traffic8,673 by 2041
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US0090 over Wax Lake Outlet built?

It was built in 1995, making it 30 years old in 2025.

What condition is US0090 over Wax Lake Outlet 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 2024.

How much traffic does US0090 over Wax Lake Outlet carry?

About 7,885 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US0090 over Wax Lake Outlet?

The structure is 1,300 ft (396.2 m) long with a longest span of 103 ft (31.4 m) and a deck 43 ft wide.

Who owns US0090 over Wax Lake Outlet?

It is owned by the State Highway Agency.