US Bridges

Lake ST over Contraband Bayou

Fair

Calcasieu Parish, Louisiana · 1.0 Miles South of I-210 · Structure no. 071000000070003

Built
2012
13 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
19,793
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lake ST over Contraband Bayou is a concrete slab carrying Lake ST over Contraband Bayou in Calcasieu Parish, Louisiana. It was built in 2012, so it is 13 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 19,793 vehicles a day, projected to reach 21,772 by 2039. The structure is 140 ft (42.7 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLake ST
CrossesContraband Bayou
Location1.0 Miles South of I-210
RouteCounty Highway 0
CountyCalcasieu Parish
StateLouisiana
Coordinates30.18225, -93.2324
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width62 ft (18.9 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,793 (2019)
Projected traffic21,772 by 2039
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Lake ST over Contraband Bayou built?

It was built in 2012, making it 13 years old in 2025.

What condition is Lake ST over Contraband Bayou 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 December 2023.

How much traffic does Lake ST over Contraband Bayou carry?

About 19,793 vehicles per day (2019 count).

How long is Lake ST over Contraband Bayou?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 62 ft wide.

Who owns Lake ST over Contraband Bayou?

It is owned by the City or Municipal Highway Agency.