US Bridges

LA0182 over Hanson Canal

FairPosted for load

St. Mary Parish, Louisiana · 2.07 MI South of LA 87 · Structure no. 035100040702071

Built
1930
95 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
96 ft
1 main span
Daily traffic
6,242
2021 count
Owner
State
State Highway Agency

About this bridge

LA0182 over Hanson Canal is a steel stringer/multi-beam or girder carrying LA0182 over Hanson Canal in St. Mary Parish, Louisiana. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 6,242 vehicles a day, roughly 9% of them trucks, projected to reach 6,866 by 2041. The structure is 96 ft (29.3 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA0182
CrossesHanson Canal
Location2.07 MI South of LA 87
RouteState Highway 182
CountySt. Mary Parish
StateLouisiana
Coordinates29.77181, -91.484
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating19.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length96 ft (29.3 m)
Longest span35 ft (10.7 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,242 (2021)
Projected traffic6,866 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$478,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0182 over Hanson Canal built?

It was built in 1930, making it 95 years old in 2025.

What condition is LA0182 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 LA0182 over Hanson Canal carry?

About 6,242 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0182 over Hanson Canal?

The structure is 96 ft (29.3 m) long with a longest span of 35 ft (10.7 m) and a deck 26 ft wide.

Who owns LA0182 over Hanson Canal?

It is owned by the State Highway Agency.