US Bridges

LA3063 over Drainage Ditch

PoorPosted for load

Calcasieu Parish, Louisiana · 0.1 MI S of US 90 · Structure no. 071008102503951

Built
1968
57 years old
Condition
Poor
inspected September 2024
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
1,918
2021 count
Owner
State
State Highway Agency

About this bridge

LA3063 over Drainage Ditch is a concrete slab carrying LA3063 over Drainage Ditch in Calcasieu Parish, Louisiana. It was built in 1968, so it is 57 years old, older 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. Its operating status is: posted for load restriction.

It carries about 1,918 vehicles a day, roughly 17% of them trucks, projected to reach 2,109 by 2041. The structure is 38 ft (11.6 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesLA3063
CrossesDrainage Ditch
Location0.1 MI S of US 90
RouteState Highway 3063
Coordinates30.18595, -93.58727
Functional classRural Minor Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.1 US tons
Inventory rating14.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,918 (2021)
Projected traffic2,109 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$229,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA3063 over Drainage Ditch built?

It was built in 1968, making it 57 years old in 2025.

What condition is LA3063 over Drainage Ditch 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 September 2024.

How much traffic does LA3063 over Drainage Ditch carry?

About 1,918 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA3063 over Drainage Ditch?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 34 ft wide.

Who owns LA3063 over Drainage Ditch?

It is owned by the State Highway Agency.