US Bridges

US0090 over Bayou Boeuf

Fair

Assumption Parish, Louisiana · 6.31 MI E of LA 182/LA 70 · Structure no. 610404240600001

Built
1998
27 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
5,414 ft
4 main spans
Daily traffic
10,035
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over Bayou Boeuf is a prestressed concrete stringer/multi-beam or girder carrying US0090 over Bayou Boeuf in Assumption Parish, Louisiana. It was built in 1998, so it is 27 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 10,035 vehicles a day, roughly 14% of them trucks, projected to reach 11,038 by 2041. The structure is 5,414 ft (1,650.2 m) long and 85 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS0090
CrossesBayou Boeuf
Location6.31 MI E of LA 182/LA 70
RouteU.S. Route 90
CountyAssumption Parish
StateLouisiana
Coordinates29.67116, -91.10869
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+59 approach)
Design loadHS 20
Structure length5,414 ft (1,650.2 m)
Longest span585 ft (178.3 m)
Deck width85 ft (25.8 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,035 (2021)
Projected traffic11,038 by 2041
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US0090 over Bayou Boeuf built?

It was built in 1998, making it 27 years old in 2025.

What condition is US0090 over Bayou Boeuf 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 March 2024.

How much traffic does US0090 over Bayou Boeuf carry?

About 10,035 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US0090 over Bayou Boeuf?

The structure is 5,414 ft (1,650.2 m) long with a longest span of 585 ft (178.3 m) and a deck 85 ft wide.

Who owns US0090 over Bayou Boeuf?

It is owned by the State Highway Agency.