US Bridges

LA0012 over Current Slough

Fair

Calcasieu Parish, Louisiana · 4.1 MI W of LA 109 · Structure no. 071000000070239

Built
2022
3 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
640 ft
16 main spans
Daily traffic
4,600
2018 count
Owner
State
State Highway Agency

About this bridge

LA0012 over Current Slough is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0012 over Current Slough in Calcasieu Parish, Louisiana. It was built in 2022, so it is 3 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 4,600 vehicles a day, roughly 14% of them trucks, projected to reach 5,060 by 2038. The structure is 640 ft (195.1 m) long and 61 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesLA0012
CrossesCurrent Slough
Location4.1 MI W of LA 109
RouteState Highway 12
CountyCalcasieu Parish
StateLouisiana
Coordinates30.30673, -93.72849
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.8 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans16
Design loadGreater than HL 93
Structure length640 ft (195.1 m)
Longest span40 ft (12.2 m)
Deck width61 ft (18.6 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2018)
Projected traffic5,060 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 LA0012 over Current Slough built?

It was built in 2022, making it 3 years old in 2025.

What condition is LA0012 over Current Slough 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 June 2023.

How much traffic does LA0012 over Current Slough carry?

About 4,600 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is LA0012 over Current Slough?

The structure is 640 ft (195.1 m) long with a longest span of 40 ft (12.2 m) and a deck 61 ft wide.

Who owns LA0012 over Current Slough?

It is owned by the State Highway Agency.