US Bridges

LA0013 over Bayou Plaquemine

Good

Acadia Parish, Louisiana · 0.9 Miles North of I-10 · Structure no. 030100000030371

Built
2008
17 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
500 ft
10 main spans
Daily traffic
9,371
2019 count
Owner
State
State Highway Agency

About this bridge

LA0013 over Bayou Plaquemine is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0013 over Bayou Plaquemine in Acadia Parish, Louisiana. It was built in 2008, so it is 17 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 9,371 vehicles a day, roughly 10% of them trucks, projected to reach 10,308 by 2039. The structure is 500 ft (152.4 m) long and 73 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLA0013
CrossesBayou Plaquemine
Location0.9 Miles North of I-10
RouteState Highway 13
CountyAcadia Parish
StateLouisiana
Coordinates30.2464, -92.3915
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 rating56.1 US tons
Inventory rating34.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length500 ft (152.4 m)
Longest span50 ft (15.2 m)
Deck width73 ft (22.1 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,371 (2019)
Projected traffic10,308 by 2039
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0013 over Bayou Plaquemine built?

It was built in 2008, making it 17 years old in 2025.

What condition is LA0013 over Bayou Plaquemine 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 March 2023.

How much traffic does LA0013 over Bayou Plaquemine carry?

About 9,371 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is LA0013 over Bayou Plaquemine?

The structure is 500 ft (152.4 m) long with a longest span of 50 ft (15.2 m) and a deck 73 ft wide.

Who owns LA0013 over Bayou Plaquemine?

It is owned by the State Highway Agency.