US Bridges

LA0019 over White Bayou

PoorPosted for load

East Baton Rouge Parish, Louisiana · 1.28 MI N of LA 64 · Structure no. 611702500110141

Built
1951
74 years old
Condition
Poor
inspected May 2024
Type
Tee Beam
Concrete
Length
266 ft
11 main spans
Daily traffic
11,198
2021 count
Owner
State
State Highway Agency

About this bridge

LA0019 over White Bayou is a concrete tee beam carrying LA0019 over White Bayou in East Baton Rouge Parish, Louisiana. It was built in 1951, so it is 74 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 11,198 vehicles a day, roughly 7% of them trucks, projected to reach 12,317 by 2041. The structure is 266 ft (81.1 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLA0019
CrossesWhite Bayou
Location1.28 MI N of LA 64
RouteState Highway 19
Coordinates30.66613, -91.15133
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; extensive scour has occurred
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadH 15
Structure length266 ft (81.1 m)
Longest span24 ft (7.3 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,198 (2021)
Projected traffic12,317 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0019 over White Bayou built?

It was built in 1951, making it 74 years old in 2025.

What condition is LA0019 over White Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does LA0019 over White Bayou carry?

About 11,198 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is LA0019 over White Bayou?

The structure is 266 ft (81.1 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.

Who owns LA0019 over White Bayou?

It is owned by the State Highway Agency.