US Bridges

Iberia ST over Bayou Parc Perdu

Fair

Lafayette Parish, Louisiana · 0.5 MI W of Lafayette ST · Structure no. 032802130505541

Built
1973
52 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
6,620
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Iberia ST over Bayou Parc Perdu is a concrete slab carrying Iberia ST over Bayou Parc Perdu in Lafayette 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 6,620 vehicles a day, roughly 9% of them trucks, projected to reach 7,282 by 2040. The structure is 57 ft (17.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIberia ST
CrossesBayou Parc Perdu
Location0.5 MI W of Lafayette ST
RouteCity Street 0
CountyLafayette Parish
StateLouisiana
Coordinates30.10201, -91.99802
Functional classUrban Minor Arterial

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.
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 inspectionJanuary 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 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 rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,620 (2020)
Projected traffic7,282 by 2040
Trucks9%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Iberia ST over Bayou Parc Perdu built?

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

What condition is Iberia ST over Bayou Parc Perdu 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 Iberia ST over Bayou Parc Perdu carry?

About 6,620 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Iberia ST over Bayou Parc Perdu?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 43 ft wide.

Who owns Iberia ST over Bayou Parc Perdu?

It is owned by the City or Municipal Highway Agency.