US Bridges

LA3132 over Brush Bayou

Fair

Caddo Parish, Louisiana · 1.5 Mi. W. of I-49 · Structure no. 040904270106332

Built
1979
46 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
23,520
2021 count
Owner
State
State Highway Agency

About this bridge

LA3132 over Brush Bayou is a prestressed concrete stringer/multi-beam or girder carrying LA3132 over Brush Bayou in Caddo Parish, Louisiana. It was built in 1979, so it is 46 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 23,520 vehicles a day, roughly 14% of them trucks, projected to reach 25,872 by 2041. The structure is 180 ft (54.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA3132
CrossesBrush Bayou
Location1.5 Mi. W. of I-49
RouteState Highway 3132
CountyCaddo Parish
StateLouisiana
Coordinates32.42066, -93.77085
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating87 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,520 (2021)
Projected traffic25,872 by 2041
Trucks14%
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 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 LA3132 over Brush Bayou built?

It was built in 1979, making it 46 years old in 2025.

What condition is LA3132 over Brush 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 February 2023.

How much traffic does LA3132 over Brush Bayou carry?

About 23,520 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA3132 over Brush Bayou?

The structure is 180 ft (54.9 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns LA3132 over Brush Bayou?

It is owned by the State Highway Agency.