US Bridges

US0190 over Slow Bayou W.B.

Good

St. Landry Parish, Louisiana · 2.8 MI W of US 71 · Structure no. 034900121313282

Built
2005
20 years old
Condition
Good
inspected February 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
1,037 ft
20 main spans
Daily traffic
20,176
2021 count
Owner
State
State Highway Agency

About this bridge

US0190 over Slow Bayou W.B. is a prestressed concrete continuous tee beam carrying US0190 over Slow Bayou W.B. in St. Landry Parish, Louisiana. It was built in 2005, so it is 20 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,176 vehicles a day, roughly 24% of them trucks, projected to reach 22,193 by 2041. The structure is 1,037 ft (316.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0190
CrossesSlow Bayou W.B.
Location2.8 MI W of US 71
RouteU.S. Route 190
Coordinates30.54797, -91.86003
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans20
Design loadHS 20
Structure length1,037 ft (316.1 m)
Longest span52 ft (15.8 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,176 (2021)
Projected traffic22,193 by 2041
Trucks24%
Lanes on structure2
Traffic directionOne-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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.1 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US0190 over Slow Bayou W.B. built?

It was built in 2005, making it 20 years old in 2025.

What condition is US0190 over Slow Bayou W.B. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does US0190 over Slow Bayou W.B. carry?

About 20,176 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is US0190 over Slow Bayou W.B.?

The structure is 1,037 ft (316.1 m) long with a longest span of 52 ft (15.8 m) and a deck 42 ft wide.

Who owns US0190 over Slow Bayou W.B.?

It is owned by the State Highway Agency.