US Bridges

LA0115 over Diversion Canal

Fair

Avoyelles Parish, Louisiana · 1.36 Mi. West of LA 1176 · Structure no. 080508051800071

Built
1950
75 years old, rebuilt 1987
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete
Length
300 ft
15 main spans
Daily traffic
1,830
2016 count
Owner
State
State Highway Agency

About this bridge

LA0115 over Diversion Canal is a concrete tee beam carrying LA0115 over Diversion Canal in Avoyelles Parish, Louisiana. It was built in 1950 and reconstructed in 1987, so it is 75 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 1,830 vehicles a day, roughly 14% of them trucks, projected to reach 2,013 by 2036. The structure is 300 ft (91.4 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLA0115
CrossesDiversion Canal
Location1.36 Mi. West of LA 1176
RouteState Highway 115
Coordinates30.95287, -92.2805
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 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 alignment7: Better than present minimum criteria
Operating rating68 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans15
Design loadH 15
Structure length300 ft (91.4 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,830 (2016)
Projected traffic2,013 by 2036
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0115 over Diversion Canal built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1987.

What condition is LA0115 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 January 2024.

How much traffic does LA0115 over Diversion Canal carry?

About 1,830 vehicles per day (2016 count), of which roughly 14% are trucks.

How long is LA0115 over Diversion Canal?

The structure is 300 ft (91.4 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0115 over Diversion Canal?

It is owned by the State Highway Agency.