US Bridges

LA0085 over Patout Canal

PoorPosted for load

Iberia Parish, Louisiana · 2.0 MI East of LA 83 · Structure no. 032302360202041

Built
1945
80 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
40 ft
2 main spans
Daily traffic
3,125
2021 count
Owner
State
State Highway Agency

About this bridge

LA0085 over Patout Canal is a wood or timber stringer/multi-beam or girder carrying LA0085 over Patout Canal in Iberia Parish, Louisiana. It was built in 1945, so it is 80 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 3,125 vehicles a day, roughly 13% of them trucks, projected to reach 3,437 by 2041. The structure is 40 ft (12.2 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesLA0085
CrossesPatout Canal
Location2.0 MI East of LA 83
RouteState Highway 85
Coordinates29.91369, -91.75073
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating11 US tons
Inventory rating5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 10
Structure length40 ft (12.2 m)
Longest span20 ft (6 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,125 (2021)
Projected traffic3,437 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$241,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0085 over Patout Canal built?

It was built in 1945, making it 80 years old in 2025.

What condition is LA0085 over Patout Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does LA0085 over Patout Canal carry?

About 3,125 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0085 over Patout Canal?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6 m) and a deck 25 ft wide.

Who owns LA0085 over Patout Canal?

It is owned by the State Highway Agency.