US Bridges

LA0404 over Bayou Daniel

FairPosted for load

Iberville Parish, Louisiana · 4.1 Mi. E of LA 75 · Structure no. 612404050104081

Built
1955
70 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
152 ft
8 main spans
Daily traffic
551
2021 count
Owner
State
State Highway Agency

About this bridge

LA0404 over Bayou Daniel is a wood or timber stringer/multi-beam or girder carrying LA0404 over Bayou Daniel 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 551 vehicles a day, roughly 10% of them trucks, projected to reach 606 by 2041. The structure is 152 ft (46.3 m) long and 28 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesLA0404
CrossesBayou Daniel
Location4.1 Mi. E of LA 75
RouteState Highway 404
CountyIberville Parish
StateLouisiana
Coordinates30.13493, -91.21911
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating10 US tons
Inventory rating5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length152 ft (46.3 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic551 (2021)
Projected traffic606 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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$709,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0404 over Bayou Daniel built?

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

What condition is LA0404 over Bayou Daniel 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 January 2024.

How much traffic does LA0404 over Bayou Daniel carry?

About 551 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0404 over Bayou Daniel?

The structure is 152 ft (46.3 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns LA0404 over Bayou Daniel?

It is owned by the State Highway Agency.