US Bridges

LA0866 over Drainage Canal

Poor

Franklin Parish, Louisiana · .9 MI East of LA 3210 · Structure no. 582108211900901

Built
1984
41 years old
Condition
Poor
inspected October 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
165
2021 count
Owner
State
State Highway Agency

About this bridge

LA0866 over Drainage Canal is a concrete slab carrying LA0866 over Drainage Canal in Franklin Parish, Louisiana. It was built in 1984, so it is 41 years old, younger 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 4 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.

It carries about 165 vehicles a day, roughly 11% of them trucks, projected to reach 181 by 2041. The structure is 57 ft (17.4 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0866
CrossesDrainage Canal
Location.9 MI East of LA 3210
RouteState Highway 866
Coordinates32.10121, -91.6859
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165 (2021)
Projected traffic181 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 LA0866 over Drainage Canal built?

It was built in 1984, making it 41 years old in 2025.

What condition is LA0866 over Drainage 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 October 2024.

How much traffic does LA0866 over Drainage Canal carry?

About 165 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0866 over Drainage Canal?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns LA0866 over Drainage Canal?

It is owned by the State Highway Agency.