US Bridges

Migues RD over Bayou Petite Anse

Fair

Iberia Parish, Louisiana · 2.3 Mi. W. of LA 329 · Structure no. 032329575915421

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
133 ft
7 main spans
Daily traffic
646
2020 count
Owner
County
County Highway Agency

About this bridge

Migues RD over Bayou Petite Anse is a concrete slab carrying Migues RD over Bayou Petite Anse in Iberia Parish, Louisiana. It was built in 1984, so it is 41 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 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 646 vehicles a day, projected to reach 710 by 2040. The structure is 133 ft (40.5 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMigues RD
CrossesBayou Petite Anse
Location2.3 Mi. W. of LA 329
RouteCounty Highway 0
CountyIberia Parish
StateLouisiana
Coordinates29.95899, -91.90212
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic646 (2020)
Projected traffic710 by 2040
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 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 Migues RD over Bayou Petite Anse built?

It was built in 1984, making it 41 years old in 2025.

What condition is Migues RD over Bayou Petite Anse 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 October 2024.

How much traffic does Migues RD over Bayou Petite Anse carry?

About 646 vehicles per day (2020 count).

How long is Migues RD over Bayou Petite Anse?

The structure is 133 ft (40.5 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Migues RD over Bayou Petite Anse?

It is owned by the County Highway Agency.