US Bridges

LA0076 over Bayou Grosse Tete

Fair

Iberville Parish, Louisiana · LA0076 · Structure no. 612402280500021

Built
1973
52 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
185 ft
8 main spans
Daily traffic
7,562
2021 count
Owner
State
State Highway Agency

About this bridge

LA0076 over Bayou Grosse Tete is a steel stringer/multi-beam or girder carrying LA0076 over Bayou Grosse Tete in Iberville Parish, Louisiana. It was built in 1973, so it is 52 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.

It carries about 7,562 vehicles a day, roughly 10% of them trucks, projected to reach 8,318 by 2041. The structure is 185 ft (56.4 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesLA0076
CrossesBayou Grosse Tete
LocationLA0076
RouteState Highway 76
CountyIberville Parish
StateLouisiana
Coordinates30.44204, -91.45241
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
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 rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans8
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span45 ft (13.7 m)
Deck width32 ft (9.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,562 (2021)
Projected traffic8,318 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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$838,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0076 over Bayou Grosse Tete built?

It was built in 1973, making it 52 years old in 2025.

What condition is LA0076 over Bayou Grosse Tete 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 August 2023.

How much traffic does LA0076 over Bayou Grosse Tete carry?

About 7,562 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0076 over Bayou Grosse Tete?

The structure is 185 ft (56.4 m) long with a longest span of 45 ft (13.7 m) and a deck 32 ft wide.

Who owns LA0076 over Bayou Grosse Tete?

It is owned by the State Highway Agency.