US Bridges

US0190 over Bayou Darbonne E.B.

Good

St. Landry Parish, Louisiana · 7.0 MI East of LA 741 · Structure no. 034900121315111

Built
2004
21 years old
Condition
Good
inspected February 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
2,540 ft
48 main spans
Daily traffic
13,476
2021 count
Owner
State
State Highway Agency

About this bridge

US0190 over Bayou Darbonne E.B. is a prestressed concrete continuous tee beam carrying US0190 over Bayou Darbonne E.B. in St. Landry Parish, Louisiana. It was built in 2004, so it is 21 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 13,476 vehicles a day, roughly 24% of them trucks, projected to reach 14,823 by 2041. The structure is 2,540 ft (774.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0190
CrossesBayou Darbonne E.B.
Location7.0 MI East of LA 741
RouteU.S. Route 190
Coordinates30.54851, -91.8329
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans48
Design loadHS 20
Structure length2,540 ft (774.2 m)
Longest span62 ft (18.9 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,476 (2021)
Projected traffic14,823 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$9.9 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US0190 over Bayou Darbonne E.B. built?

It was built in 2004, making it 21 years old in 2025.

What condition is US0190 over Bayou Darbonne E.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 Bayou Darbonne E.B. carry?

About 13,476 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is US0190 over Bayou Darbonne E.B.?

The structure is 2,540 ft (774.2 m) long with a longest span of 62 ft (18.9 m) and a deck 42 ft wide.

Who owns US0190 over Bayou Darbonne E.B.?

It is owned by the State Highway Agency.