US Bridges

LA0856 over Drain

Fair

Richland Parish, Louisiana · LA0856 · Structure no. 054208421503051

Built
1985
40 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
30 ft
4 main spans
Daily traffic
1,064
2021 count
Owner
State
State Highway Agency

About this bridge

LA0856 over Drain is a concrete culvert carrying LA0856 over Drain in Richland Parish, Louisiana. It was built in 1985, so it is 40 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 1,064 vehicles a day, roughly 19% of them trucks, projected to reach 1,170 by 2041. The structure is 30 ft (9.1 m) long and 70 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0856
CrossesDrain
LocationLA0856
RouteState Highway 856
Coordinates32.349, -91.726
Functional classRural Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span5 ft (1.5 m)
Deck width70 ft (21.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,064 (2021)
Projected traffic1,170 by 2041
Trucks19%
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 LA0856 over Drain built?

It was built in 1985, making it 40 years old in 2025.

What condition is LA0856 over Drain 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 August 2023.

How much traffic does LA0856 over Drain carry?

About 1,064 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0856 over Drain?

The structure is 30 ft (9.1 m) long with a longest span of 5 ft (1.5 m) and a deck 70 ft wide.

Who owns LA0856 over Drain?

It is owned by the State Highway Agency.