US Bridges

LA0986 over Drainage Canal

Fair

West Baton Rouge Parish, Louisiana · 1.4 Miles East of LA 415 · Structure no. 616100000610324

Built
2013
12 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
39 ft
2 main spans
Daily traffic
1,204
2021 count
Owner
State
State Highway Agency

About this bridge

LA0986 over Drainage Canal is a concrete slab carrying LA0986 over Drainage Canal in West Baton Rouge Parish, Louisiana. It was built in 2013, so it is 12 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 1,204 vehicles a day, roughly 11% of them trucks, projected to reach 1,324 by 2041. The structure is 39 ft (11.9 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLA0986
CrossesDrainage Canal
Location1.4 Miles East of LA 415
RouteState Highway 986
CountyWest Baton Rouge Parish
StateLouisiana
Coordinates30.4626, -91.22605
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,204 (2021)
Projected traffic1,324 by 2041
Trucks11%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0986 over Drainage Canal built?

It was built in 2013, making it 12 years old in 2025.

What condition is LA0986 over Drainage 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 April 2023.

How much traffic does LA0986 over Drainage Canal carry?

About 1,204 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0986 over Drainage Canal?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns LA0986 over Drainage Canal?

It is owned by the State Highway Agency.