US Bridges

US0190 over Poydras Bayou

Fair

West Baton Rouge Parish, Louisiana · 0.01 M W of LA 413@US 190 · Structure no. 616100080112851

Built
1952
73 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
43 ft
5 main spans
Daily traffic
20,176
2021 count
Owner
State
State Highway Agency

About this bridge

US0190 over Poydras Bayou is a concrete culvert carrying US0190 over Poydras Bayou in West Baton Rouge Parish, Louisiana. It was built in 1952, so it is 73 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 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 20,176 vehicles a day, roughly 17% of them trucks, projected to reach 22,193 by 2041. The structure is 43 ft (13.1 m) long and 123 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesUS0190
CrossesPoydras Bayou
Location0.01 M W of LA 413@US 190
RouteU.S. Route 190
CountyWest Baton Rouge Parish
StateLouisiana
Coordinates30.53369, -91.40807
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadH 15
Structure length43 ft (13.1 m)
Longest span8 ft (2.4 m)
Deck width123 ft (37.6 m)
Roadway width100 ft (30.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,176 (2021)
Projected traffic22,193 by 2041
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 US0190 over Poydras Bayou built?

It was built in 1952, making it 73 years old in 2025.

What condition is US0190 over Poydras 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 July 2023.

How much traffic does US0190 over Poydras Bayou carry?

About 20,176 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is US0190 over Poydras Bayou?

The structure is 43 ft (13.1 m) long with a longest span of 8 ft (2.4 m) and a deck 123 ft wide.

Who owns US0190 over Poydras Bayou?

It is owned by the State Highway Agency.