US Bridges

US0090 over Hanson Canal

Fair

St. Mary Parish, Louisiana · 3.6 MI East of LA 3211 · Structure no. 035104240514401

Built
1980
45 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
11,104
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over Hanson Canal is a concrete slab carrying US0090 over Hanson Canal in St. Mary Parish, Louisiana. It was built in 1980, so it is 45 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 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 11,104 vehicles a day, roughly 14% of them trucks, projected to reach 12,214 by 2041. The structure is 100 ft (30.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS0090
CrossesHanson Canal
Location3.6 MI East of LA 3211
RouteU.S. Route 90
CountySt. Mary Parish
StateLouisiana
Coordinates29.7654, -91.48861
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,104 (2021)
Projected traffic12,214 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 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 US0090 over Hanson Canal built?

It was built in 1980, making it 45 years old in 2025.

What condition is US0090 over Hanson 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 February 2024.

How much traffic does US0090 over Hanson Canal carry?

About 11,104 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US0090 over Hanson Canal?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns US0090 over Hanson Canal?

It is owned by the State Highway Agency.