US Bridges

LA0617 over Drainage Canal

Fair

Ouachita Parish, Louisiana · 1.65 MI North of I-20 · Structure no. 053708371701651

Built
1981
44 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
26,528
2021 count
Owner
State
State Highway Agency

About this bridge

LA0617 over Drainage Canal is a concrete culvert carrying LA0617 over Drainage Canal in Ouachita Parish, Louisiana. It was built in 1981, so it is 44 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 5 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 26,528 vehicles a day, roughly 9% of them trucks, projected to reach 29,180 by 2041. The structure is 44 ft (13.4 m) long and 200 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesLA0617
CrossesDrainage Canal
Location1.65 MI North of I-20
RouteState Highway 617
CountyOuachita Parish
StateLouisiana
Coordinates32.51003, -92.1574
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span10 ft (3 m)
Deck width200 ft (61 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,528 (2021)
Projected traffic29,180 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

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 LA0617 over Drainage Canal built?

It was built in 1981, making it 44 years old in 2025.

What condition is LA0617 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 October 2024.

How much traffic does LA0617 over Drainage Canal carry?

About 26,528 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0617 over Drainage Canal?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m) and a deck 200 ft wide.

Who owns LA0617 over Drainage Canal?

It is owned by the State Highway Agency.