US Bridges

LA0044 over Conway Bayou

Fair

Ascension Parish, Louisiana · LA 44 @ I-10 · Structure no. 610302650103662

Built
1978
47 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
125 ft
5 main spans
Daily traffic
13,542
2021 count
Owner
State
State Highway Agency

About this bridge

LA0044 over Conway Bayou is a concrete slab carrying LA0044 over Conway Bayou in Ascension Parish, Louisiana. It was built in 1978, so it is 47 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 13,542 vehicles a day, roughly 9% of them trucks, projected to reach 14,896 by 2041. The structure is 125 ft (38.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA0044
CrossesConway Bayou
LocationLA 44 @ I-10
RouteState Highway 44
CountyAscension Parish
StateLouisiana
Coordinates30.18868, -90.92029
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span25 ft (7.6 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,542 (2021)
Projected traffic14,896 by 2041
Trucks9%
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 LA0044 over Conway Bayou built?

It was built in 1978, making it 47 years old in 2025.

What condition is LA0044 over Conway 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 LA0044 over Conway Bayou carry?

About 13,542 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0044 over Conway Bayou?

The structure is 125 ft (38.1 m) long with a longest span of 25 ft (7.6 m) and a deck 43 ft wide.

Who owns LA0044 over Conway Bayou?

It is owned by the State Highway Agency.