US Bridges

US0090 over Kayouche Coulee

Poor

Calcasieu Parish, Louisiana · 0.7 MI E of LA 14 · Structure no. 071000030501501

Built
1958
67 years old
Condition
Poor
inspected November 2024
Type
Slab
Concrete
Length
200 ft
10 main spans
Daily traffic
6,080
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over Kayouche Coulee is a concrete slab carrying US0090 over Kayouche Coulee in Calcasieu Parish, Louisiana. It was built in 1958, so it is 67 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.

It carries about 6,080 vehicles a day, roughly 10% of them trucks, projected to reach 6,688 by 2041. The structure is 200 ft (61 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS0090
CrossesKayouche Coulee
Location0.7 MI E of LA 14
RouteU.S. Route 90
CountyCalcasieu Parish
StateLouisiana
Coordinates30.2355, -93.16867
Functional classRural Principal Arterial - Other

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length200 ft (61 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,080 (2021)
Projected traffic6,688 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 US0090 over Kayouche Coulee built?

It was built in 1958, making it 67 years old in 2025.

What condition is US0090 over Kayouche Coulee 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 November 2024.

How much traffic does US0090 over Kayouche Coulee carry?

About 6,080 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is US0090 over Kayouche Coulee?

The structure is 200 ft (61 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns US0090 over Kayouche Coulee?

It is owned by the State Highway Agency.