US Bridges

Big 4 RD over Maree Michel Canal

FairPosted for load

Vermilion Parish, Louisiana · 1.1 MI S of LA 14 · Structure no. 035730003923391

Built
1998
27 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
42 ft
2 main spans
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

Big 4 RD over Maree Michel Canal is a concrete channel beam carrying Big 4 RD over Maree Michel Canal in Vermilion Parish, Louisiana. It was built in 1998, so it is 27 years old, younger 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 70 vehicles a day, projected to reach 77 by 2042. The structure is 42 ft (12.8 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBig 4 RD
CrossesMaree Michel Canal
Location1.1 MI S of LA 14
RouteCounty Highway 0
CountyVermilion Parish
StateLouisiana
Coordinates30.00488, -92.56441
Functional classRural Local

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.
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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating15.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span21 ft (6.4 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic77 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Big 4 RD over Maree Michel Canal built?

It was built in 1998, making it 27 years old in 2025.

What condition is Big 4 RD over Maree Michel Canal 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 July 2023.

How much traffic does Big 4 RD over Maree Michel Canal carry?

About 70 vehicles per day (2022 count).

How long is Big 4 RD over Maree Michel Canal?

The structure is 42 ft (12.8 m) long with a longest span of 21 ft (6.4 m) and a deck 25 ft wide.

Who owns Big 4 RD over Maree Michel Canal?

It is owned by the County Highway Agency.