US Bridges

LA0074 over Bayou Breaux

Fair

Iberville Parish, Louisiana · 0.25 M NW LA 74&LA 3115 · Structure no. 612402640103301

Built
1955
70 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
5,692
2021 count
Owner
State
State Highway Agency

About this bridge

LA0074 over Bayou Breaux is a concrete slab carrying LA0074 over Bayou Breaux in Iberville Parish, Louisiana. It was built in 1955, so it is 70 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 5,692 vehicles a day, roughly 11% of them trucks, projected to reach 6,261 by 2041. The structure is 80 ft (24.4 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA0074
CrossesBayou Breaux
Location0.25 M NW LA 74&LA 3115
RouteState Highway 74
CountyIberville Parish
StateLouisiana
Coordinates30.25492, -91.05044
Functional classUrban Collector

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.
Substructure8 Very GoodNo problems noted.
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating39 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,692 (2021)
Projected traffic6,261 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$412,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0074 over Bayou Breaux built?

It was built in 1955, making it 70 years old in 2025.

What condition is LA0074 over Bayou Breaux 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 May 2024.

How much traffic does LA0074 over Bayou Breaux carry?

About 5,692 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0074 over Bayou Breaux?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns LA0074 over Bayou Breaux?

It is owned by the State Highway Agency.