US Bridges

LA0106 over Diversion Canal

Fair

Avoyelles Parish, Louisiana · 1.01 MI East of LA 29 · Structure no. 080502040400461

Built
1986
39 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
197 ft
8 main spans
Daily traffic
1,294
2021 count
Owner
State
State Highway Agency

About this bridge

LA0106 over Diversion Canal is a concrete slab carrying LA0106 over Diversion Canal in Avoyelles Parish, Louisiana. It was built in 1986, so it is 39 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 1,294 vehicles a day, roughly 14% of them trucks, projected to reach 1,423 by 2041. The structure is 197 ft (60 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA0106
CrossesDiversion Canal
Location1.01 MI East of LA 29
RouteState Highway 106
CountyAvoyelles Parish
StateLouisiana
Coordinates30.86544, -92.2314
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length197 ft (60 m)
Longest span25 ft (7.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,294 (2021)
Projected traffic1,423 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 SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0106 over Diversion Canal built?

It was built in 1986, making it 39 years old in 2025.

What condition is LA0106 over Diversion 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 LA0106 over Diversion Canal carry?

About 1,294 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0106 over Diversion Canal?

The structure is 197 ft (60 m) long with a longest span of 25 ft (7.6 m) and a deck 43 ft wide.

Who owns LA0106 over Diversion Canal?

It is owned by the State Highway Agency.