US Bridges

Arnaudville Rd. over Bayou Carencro

FairPosted for load

Lafayette Parish, Louisiana · 1.2 MI N of LA 1252 · Structure no. 032830221915931

Built
1977
48 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
152 ft
8 main spans
Daily traffic
700
2020 count
Owner
County
County Highway Agency

About this bridge

Arnaudville Rd. over Bayou Carencro is a concrete slab carrying Arnaudville Rd. over Bayou Carencro in Lafayette Parish, Louisiana. It was built in 1977, so it is 48 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 6 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 700 vehicles a day, projected to reach 770 by 2040. The structure is 152 ft (46.3 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesArnaudville Rd.
CrossesBayou Carencro
Location1.2 MI N of LA 1252
RouteCounty Highway 0
Coordinates30.3674, -91.98824
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating28.9 US tons
Inventory rating22.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2020)
Projected traffic770 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 Arnaudville Rd. over Bayou Carencro built?

It was built in 1977, making it 48 years old in 2025.

What condition is Arnaudville Rd. over Bayou Carencro 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 Arnaudville Rd. over Bayou Carencro carry?

About 700 vehicles per day (2020 count).

How long is Arnaudville Rd. over Bayou Carencro?

The structure is 152 ft (46.3 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Arnaudville Rd. over Bayou Carencro?

It is owned by the County Highway Agency.